20163460725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:261

約数の個数: 288

約数和(自身を含む): 42263544960

約数和(自身を除く): 22100084235

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 41, 45, 51, 57, 67, 75, 85, 95, 101, 123, 153, 171, 201, 205, 225, 255, 285, 303, 323, 335, 369, 425, 475, 505, 603, 615, 697, 765, 779, 855, 909, 969, 1005, 1025, 1139, 1273, 1275, 1425, 1515, 1615, 1675, 1717, 1845, 1919, 2091, 2337, 2525, 2747, 2907, 3015, 3075, 3417, 3485, 3819, 3825, 3895, 4141, 4275, 4545, 4845, 5025, 5151, 5695, 5757, 6273, 6365, 6767, 7011, 7575, 8075, 8241, 8585, 9225, 9595, 10251, 10455, 11457, 11685, 12423, 13243, 13735, 14535, 15075, 15453, 17085, 17271, 17425, 19095, 19475, 20301, 20705, 21641, 22725, 24225, 24723, 25755, 28475, 28785, 31365, 31825, 32623, 33835, 35055, 37269, 39729, 41205, 42925, 46699, 47975, 51255, 52193, 52275, 57285, 58425, 60903, 62115, 64923, 66215, 68675, 70397, 72675, 77265, 78679, 85425, 86355, 95475, 97869, 101505, 103525, 108205, 115039, 119187, 123615, 128573, 128775, 140097, 143925, 156579, 156825, 163115, 169175, 175275, 186345, 194769, 198645, 206025, 211191, 233495, 236037, 256275, 260965, 277447, 286425, 293607, 304515, 310575, 324615, 331075, 345117, 351985, 385719, 386325, 393395, 420291, 431775, 469737, 489345, 507525, 541025, 575195, 595935, 618075, 633573, 642865, 700485, 708111, 782895, 815575, 832341, 887281, 931725, 973845, 993225, 1035351, 1055955, 1157157, 1167475, 1180185, 1304825, 1337543, 1387235, 1468035, 1522575, 1623075, 1725585, 1759925, 1928595, 1966975, 2101455, 2185741, 2348685, 2446725, 2497023, 2661843, 2875975, 2979675, 3167865, 3214325, 3502425, 3540555, 3914475, 4012629, 4161705, 4436405, 4716599, 4869225, 5176755, 5271493, 5279775, 5785785, 5900925, 6557223, 6687715, 6936175, 7340175, 7985529, 8627925, 9642975, 10507275, 10928705, 11743425, 12037887, 12485115, 13309215, 14149797, 15814479, 15839325, 17702775, 19671669, 20063145, 20808525, 22182025, 23582995, 25883775, 26357465, 28928925, 32786115, 33438575, 39927645, 42449391, 47443437, 54643525, 60189435, 62425575, 66546075, 70748985, 79072395, 89615381, 98358345, 100315725, 117914975, 131787325, 163930575, 199638225, 212246955, 237217185, 268846143, 300947175, 353744925, 395361975, 448076905, 491791725, 806538429, 1061234775, 1186085925, 1344230715, 2240384525, 4032692145, 6721153575, 20163460725]

約数ペア:

[(1, 20163460725), (3, 6721153575), (5, 4032692145), (9, 2240384525), (15, 1344230715), (17, 1186085925), (19, 1061234775), (25, 806538429), (41, 491791725), (45, 448076905), (51, 395361975), (57, 353744925), (67, 300947175), (75, 268846143), (85, 237217185), (95, 212246955), (101, 199638225), (123, 163930575), (153, 131787325), (171, 117914975), (201, 100315725), (205, 98358345), (225, 89615381), (255, 79072395), (285, 70748985), (303, 66546075), (323, 62425575), (335, 60189435), (369, 54643525), (425, 47443437), (475, 42449391), (505, 39927645), (603, 33438575), (615, 32786115), (697, 28928925), (765, 26357465), (779, 25883775), (855, 23582995), (909, 22182025), (969, 20808525), (1005, 20063145), (1025, 19671669), (1139, 17702775), (1273, 15839325), (1275, 15814479), (1425, 14149797), (1515, 13309215), (1615, 12485115), (1675, 12037887), (1717, 11743425), (1845, 10928705), (1919, 10507275), (2091, 9642975), (2337, 8627925), (2525, 7985529), (2747, 7340175), (2907, 6936175), (3015, 6687715), (3075, 6557223), (3417, 5900925), (3485, 5785785), (3819, 5279775), (3825, 5271493), (3895, 5176755), (4141, 4869225), (4275, 4716599), (4545, 4436405), (4845, 4161705), (5025, 4012629), (5151, 3914475), (5695, 3540555), (5757, 3502425), (6273, 3214325), (6365, 3167865), (6767, 2979675), (7011, 2875975), (7575, 2661843), (8075, 2497023), (8241, 2446725), (8585, 2348685), (9225, 2185741), (9595, 2101455), (10251, 1966975), (10455, 1928595), (11457, 1759925), (11685, 1725585), (12423, 1623075), (13243, 1522575), (13735, 1468035), (14535, 1387235), (15075, 1337543), (15453, 1304825), (17085, 1180185), (17271, 1167475), (17425, 1157157), (19095, 1055955), (19475, 1035351), (20301, 993225), (20705, 973845), (21641, 931725), (22725, 887281), (24225, 832341), (24723, 815575), (25755, 782895), (28475, 708111), (28785, 700485), (31365, 642865), (31825, 633573), (32623, 618075), (33835, 595935), (35055, 575195), (37269, 541025), (39729, 507525), (41205, 489345), (42925, 469737), (46699, 431775), (47975, 420291), (51255, 393395), (52193, 386325), (52275, 385719), (57285, 351985), (58425, 345117), (60903, 331075), (62115, 324615), (64923, 310575), (66215, 304515), (68675, 293607), (70397, 286425), (72675, 277447), (77265, 260965), (78679, 256275), (85425, 236037), (86355, 233495), (95475, 211191), (97869, 206025), (101505, 198645), (103525, 194769), (108205, 186345), (115039, 175275), (119187, 169175), (123615, 163115), (128573, 156825), (128775, 156579), (140097, 143925)]