20128291239

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{769}}^1\times {\mathrm{15017}}^1$

素因数の和:15879

約数の個数: 32

約数和(自身を含む): 31083655680

約数和(自身を除く): 10955364441

約数列:

[1, 3, 7, 21, 83, 249, 581, 769, 1743, 2307, 5383, 15017, 16149, 45051, 63827, 105119, 191481, 315357, 446789, 1246411, 1340367, 3739233, 8724877, 11548073, 26174631, 34644219, 80836511, 242509533, 958490059, 2875470177, 6709430413, 20128291239]

約数ペア:

[(1, 20128291239), (3, 6709430413), (7, 2875470177), (21, 958490059), (83, 242509533), (249, 80836511), (581, 34644219), (769, 26174631), (1743, 11548073), (2307, 8724877), (5383, 3739233), (15017, 1340367), (16149, 1246411), (45051, 446789), (63827, 315357), (105119, 191481)]