20210964458

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1\times {\mathrm{130523}}^1$

素因数の和:131221

約数の個数: 16

約数和(自身を含む): 30589604640

約数和(自身を除く): 10378640182

約数列:

[1, 2, 139, 278, 557, 1114, 77423, 130523, 154846, 261046, 18142697, 36285394, 72701311, 145402622, 10105482229, 20210964458]

約数ペア:

[(1, 20210964458), (2, 10105482229), (139, 145402622), (278, 72701311), (557, 36285394), (1114, 18142697), (77423, 261046), (130523, 154846)]