20260642875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 192

約数和(自身を含む): 40152153600

約数和(自身を除く): 19891510725

約数列:

[1, 3, 5, 11, 15, 19, 25, 31, 33, 55, 57, 75, 93, 95, 125, 155, 165, 209, 269, 275, 285, 341, 375, 465, 475, 589, 627, 775, 807, 825, 961, 1023, 1045, 1345, 1375, 1425, 1705, 1767, 2325, 2375, 2883, 2945, 2959, 3135, 3875, 4035, 4125, 4805, 5111, 5115, 5225, 6479, 6725, 7125, 8339, 8525, 8835, 8877, 10571, 11625, 14415, 14725, 14795, 15333, 15675, 18259, 19437, 20175, 24025, 25017, 25555, 25575, 26125, 31713, 32395, 33625, 41695, 42625, 44175, 44385, 52855, 54777, 56221, 72075, 73625, 73975, 76665, 78375, 91295, 91729, 97185, 100875, 120125, 125085, 127775, 127875, 158441, 158565, 161975, 168663, 200849, 208475, 220875, 221925, 258509, 264275, 273885, 275187, 281105, 360375, 369875, 383325, 456475, 458645, 475323, 485925, 602547, 625425, 638875, 775527, 792205, 792825, 809875, 843315, 1004245, 1042375, 1109625, 1292545, 1321375, 1369425, 1375935, 1405525, 1742851, 1916625, 2282375, 2293225, 2376615, 2429625, 2843599, 3012735, 3127125, 3877635, 3961025, 3964125, 4216575, 4911671, 5021225, 5228553, 6462725, 6847125, 6879675, 7027625, 8530797, 8714255, 11466125, 11883075, 14217995, 14735013, 15063675, 19388175, 19805125, 21082875, 24558355, 25106125, 26142765, 32313625, 34398375, 42653985, 43571275, 54028381, 59415375, 71089975, 73675065, 75318375, 96940875, 122791775, 130713825, 162085143, 213269925, 217856375, 270141905, 355449875, 368375325, 613958875, 653569125, 810425715, 1066349625, 1350709525, 1841876625, 4052128575, 6753547625, 20260642875]

約数ペア:

[(1, 20260642875), (3, 6753547625), (5, 4052128575), (11, 1841876625), (15, 1350709525), (19, 1066349625), (25, 810425715), (31, 653569125), (33, 613958875), (55, 368375325), (57, 355449875), (75, 270141905), (93, 217856375), (95, 213269925), (125, 162085143), (155, 130713825), (165, 122791775), (209, 96940875), (269, 75318375), (275, 73675065), (285, 71089975), (341, 59415375), (375, 54028381), (465, 43571275), (475, 42653985), (589, 34398375), (627, 32313625), (775, 26142765), (807, 25106125), (825, 24558355), (961, 21082875), (1023, 19805125), (1045, 19388175), (1345, 15063675), (1375, 14735013), (1425, 14217995), (1705, 11883075), (1767, 11466125), (2325, 8714255), (2375, 8530797), (2883, 7027625), (2945, 6879675), (2959, 6847125), (3135, 6462725), (3875, 5228553), (4035, 5021225), (4125, 4911671), (4805, 4216575), (5111, 3964125), (5115, 3961025), (5225, 3877635), (6479, 3127125), (6725, 3012735), (7125, 2843599), (8339, 2429625), (8525, 2376615), (8835, 2293225), (8877, 2282375), (10571, 1916625), (11625, 1742851), (14415, 1405525), (14725, 1375935), (14795, 1369425), (15333, 1321375), (15675, 1292545), (18259, 1109625), (19437, 1042375), (20175, 1004245), (24025, 843315), (25017, 809875), (25555, 792825), (25575, 792205), (26125, 775527), (31713, 638875), (32395, 625425), (33625, 602547), (41695, 485925), (42625, 475323), (44175, 458645), (44385, 456475), (52855, 383325), (54777, 369875), (56221, 360375), (72075, 281105), (73625, 275187), (73975, 273885), (76665, 264275), (78375, 258509), (91295, 221925), (91729, 220875), (97185, 208475), (100875, 200849), (120125, 168663), (125085, 161975), (127775, 158565), (127875, 158441)]