20802958450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{413167}}^1$

素因数の和:413251

約数の個数: 48

約数和(自身を含む): 41498593920

約数和(自身を除く): 20695635470

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 53, 95, 106, 190, 265, 475, 530, 950, 1007, 1325, 2014, 2650, 5035, 10070, 25175, 50350, 413167, 826334, 2065835, 4131670, 7850173, 10329175, 15700346, 20658350, 21897851, 39250865, 43795702, 78501730, 109489255, 196254325, 218978510, 392508650, 416059169, 547446275, 832118338, 1094892550, 2080295845, 4160591690, 10401479225, 20802958450]

約数ペア:

[(1, 20802958450), (2, 10401479225), (5, 4160591690), (10, 2080295845), (19, 1094892550), (25, 832118338), (38, 547446275), (50, 416059169), (53, 392508650), (95, 218978510), (106, 196254325), (190, 109489255), (265, 78501730), (475, 43795702), (530, 39250865), (950, 21897851), (1007, 20658350), (1325, 15700346), (2014, 10329175), (2650, 7850173), (5035, 4131670), (10070, 2065835), (25175, 826334), (50350, 413167)]