20525310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 58732128

約数和(自身を除く): 38206818

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 53, 65, 78, 90, 106, 117, 130, 159, 195, 234, 265, 318, 331, 390, 477, 530, 585, 662, 689, 795, 954, 993, 1170, 1378, 1590, 1655, 1986, 2067, 2385, 2979, 3310, 3445, 4134, 4303, 4770, 4965, 5958, 6201, 6890, 8606, 9930, 10335, 12402, 12909, 14895, 17543, 20670, 21515, 25818, 29790, 31005, 35086, 38727, 43030, 52629, 62010, 64545, 77454, 87715, 105258, 129090, 157887, 175430, 193635, 228059, 263145, 315774, 387270, 456118, 526290, 684177, 789435, 1140295, 1368354, 1578870, 2052531, 2280590, 3420885, 4105062, 6841770, 10262655, 20525310]

約数ペア:

[(1, 20525310), (2, 10262655), (3, 6841770), (5, 4105062), (6, 3420885), (9, 2280590), (10, 2052531), (13, 1578870), (15, 1368354), (18, 1140295), (26, 789435), (30, 684177), (39, 526290), (45, 456118), (53, 387270), (65, 315774), (78, 263145), (90, 228059), (106, 193635), (117, 175430), (130, 157887), (159, 129090), (195, 105258), (234, 87715), (265, 77454), (318, 64545), (331, 62010), (390, 52629), (477, 43030), (530, 38727), (585, 35086), (662, 31005), (689, 29790), (795, 25818), (954, 21515), (993, 20670), (1170, 17543), (1378, 14895), (1590, 12909), (1655, 12402), (1986, 10335), (2067, 9930), (2385, 8606), (2979, 6890), (3310, 6201), (3445, 5958), (4134, 4965), (4303, 4770)]