20187702510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{297359}}^1$

素因数の和:297473

約数の個数: 64

約数和(自身を含む): 50698690560

約数和(自身を除く): 30510988050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 73, 93, 146, 155, 186, 219, 310, 365, 438, 465, 730, 930, 1095, 2190, 2263, 4526, 6789, 11315, 13578, 22630, 33945, 67890, 297359, 594718, 892077, 1486795, 1784154, 2973590, 4460385, 8920770, 9218129, 18436258, 21707207, 27654387, 43414414, 46090645, 55308774, 65121621, 92181290, 108536035, 130243242, 138271935, 217072070, 276543870, 325608105, 651216210, 672923417, 1345846834, 2018770251, 3364617085, 4037540502, 6729234170, 10093851255, 20187702510]

約数ペア:

[(1, 20187702510), (2, 10093851255), (3, 6729234170), (5, 4037540502), (6, 3364617085), (10, 2018770251), (15, 1345846834), (30, 672923417), (31, 651216210), (62, 325608105), (73, 276543870), (93, 217072070), (146, 138271935), (155, 130243242), (186, 108536035), (219, 92181290), (310, 65121621), (365, 55308774), (438, 46090645), (465, 43414414), (730, 27654387), (930, 21707207), (1095, 18436258), (2190, 9218129), (2263, 8920770), (4526, 4460385), (6789, 2973590), (11315, 1784154), (13578, 1486795), (22630, 892077), (33945, 594718), (67890, 297359)]