20696044990

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{82261}}^1$

素因数の和:82588

約数の個数: 32

約数和(自身を含む): 37728643680

約数和(自身を除く): 17032598690

約数列:

[1, 2, 5, 10, 139, 181, 278, 362, 695, 905, 1390, 1810, 25159, 50318, 82261, 125795, 164522, 251590, 411305, 822610, 11434279, 14889241, 22868558, 29778482, 57171395, 74446205, 114342790, 148892410, 2069604499, 4139208998, 10348022495, 20696044990]

約数ペア:

[(1, 20696044990), (2, 10348022495), (5, 4139208998), (10, 2069604499), (139, 148892410), (181, 114342790), (278, 74446205), (362, 57171395), (695, 29778482), (905, 22868558), (1390, 14889241), (1810, 11434279), (25159, 822610), (50318, 411305), (82261, 251590), (125795, 164522)]