20025960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3881}}^1$

素因数の和:3938

約数の個数: 64

約数和(自身を含む): 61490880

約数和(自身を除く): 41464920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3881, 5160, 7762, 11643, 15524, 19405, 23286, 31048, 38810, 46572, 58215, 77620, 93144, 116430, 155240, 166883, 232860, 333766, 465720, 500649, 667532, 834415, 1001298, 1335064, 1668830, 2002596, 2503245, 3337660, 4005192, 5006490, 6675320, 10012980, 20025960]

約数ペア:

[(1, 20025960), (2, 10012980), (3, 6675320), (4, 5006490), (5, 4005192), (6, 3337660), (8, 2503245), (10, 2002596), (12, 1668830), (15, 1335064), (20, 1001298), (24, 834415), (30, 667532), (40, 500649), (43, 465720), (60, 333766), (86, 232860), (120, 166883), (129, 155240), (172, 116430), (215, 93144), (258, 77620), (344, 58215), (430, 46572), (516, 38810), (645, 31048), (860, 23286), (1032, 19405), (1290, 15524), (1720, 11643), (2580, 7762), (3881, 5160)]