20786620017

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1861}}^1\times {\mathrm{2141}}^1$

素因数の和:4089

約数の個数: 32

約数和(自身を含む): 29099395584

約数和(自身を除く): 8312775567

約数列:

[1, 3, 37, 47, 111, 141, 1739, 1861, 2141, 5217, 5583, 6423, 68857, 79217, 87467, 100627, 206571, 237651, 262401, 301881, 3236279, 3723199, 3984401, 9708837, 11169597, 11953203, 147422837, 187266847, 442268511, 561800541, 6928873339, 20786620017]

約数ペア:

[(1, 20786620017), (3, 6928873339), (37, 561800541), (47, 442268511), (111, 187266847), (141, 147422837), (1739, 11953203), (1861, 11169597), (2141, 9708837), (5217, 3984401), (5583, 3723199), (6423, 3236279), (68857, 301881), (79217, 262401), (87467, 237651), (100627, 206571)]