20116667045

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 24655104000

約数和(自身を除く): 4538436955

約数列:

[1, 5, 79, 239, 395, 409, 521, 1195, 2045, 2605, 18881, 32311, 41159, 94405, 97751, 124519, 161555, 205795, 213089, 488755, 622595, 1065445, 7722329, 9837001, 16834031, 38611645, 49185005, 50928271, 84170155, 254641355, 4023333409, 20116667045]

約数ペア:

[(1, 20116667045), (5, 4023333409), (79, 254641355), (239, 84170155), (395, 50928271), (409, 49185005), (521, 38611645), (1195, 16834031), (2045, 9837001), (2605, 7722329), (18881, 1065445), (32311, 622595), (41159, 488755), (94405, 213089), (97751, 205795), (124519, 161555)]