20416164015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 37391155200

約数和(自身を除く): 16974991185

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 137, 149, 195, 223, 299, 345, 411, 447, 669, 685, 745, 897, 1115, 1495, 1781, 1937, 2055, 2235, 2899, 3151, 3345, 3427, 4485, 5129, 5343, 5811, 8697, 8905, 9453, 9685, 10281, 14495, 15387, 15755, 17135, 20413, 25645, 26715, 29055, 30551, 33227, 40963, 43485, 44551, 47265, 51405, 61239, 66677, 76935, 91653, 99681, 102065, 122889, 133653, 152755, 166135, 200031, 204815, 222755, 265369, 306195, 333385, 397163, 431951, 458265, 469499, 498405, 614445, 668265, 702673, 764221, 796107, 1000155, 1191489, 1295853, 1326845, 1408497, 1985815, 2108019, 2159755, 2292663, 2347495, 3513365, 3821105, 3980535, 4552099, 5957445, 6103487, 6479265, 7042485, 9134749, 9934873, 10540095, 11463315, 13656297, 18310461, 22760495, 27404247, 29804619, 30517435, 45673745, 49674365, 59177287, 68281485, 91552305, 104698277, 137021235, 149023095, 177531861, 295886435, 314094831, 523491385, 887659305, 1361077601, 1570474155, 4083232803, 6805388005, 20416164015]

約数ペア:

[(1, 20416164015), (3, 6805388005), (5, 4083232803), (13, 1570474155), (15, 1361077601), (23, 887659305), (39, 523491385), (65, 314094831), (69, 295886435), (115, 177531861), (137, 149023095), (149, 137021235), (195, 104698277), (223, 91552305), (299, 68281485), (345, 59177287), (411, 49674365), (447, 45673745), (669, 30517435), (685, 29804619), (745, 27404247), (897, 22760495), (1115, 18310461), (1495, 13656297), (1781, 11463315), (1937, 10540095), (2055, 9934873), (2235, 9134749), (2899, 7042485), (3151, 6479265), (3345, 6103487), (3427, 5957445), (4485, 4552099), (5129, 3980535), (5343, 3821105), (5811, 3513365), (8697, 2347495), (8905, 2292663), (9453, 2159755), (9685, 2108019), (10281, 1985815), (14495, 1408497), (15387, 1326845), (15755, 1295853), (17135, 1191489), (20413, 1000155), (25645, 796107), (26715, 764221), (29055, 702673), (30551, 668265), (33227, 614445), (40963, 498405), (43485, 469499), (44551, 458265), (47265, 431951), (51405, 397163), (61239, 333385), (66677, 306195), (76935, 265369), (91653, 222755), (99681, 204815), (102065, 200031), (122889, 166135), (133653, 152755)]