20164026992

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15952553}}^1$

素因数の和:15952640

約数の個数: 20

約数和(自身を含む): 39562333920

約数和(自身を除く): 19398306928

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15952553, 31905106, 63810212, 127620424, 255240848, 1260251687, 2520503374, 5041006748, 10082013496, 20164026992]

約数ペア:

[(1, 20164026992), (2, 10082013496), (4, 5041006748), (8, 2520503374), (16, 1260251687), (79, 255240848), (158, 127620424), (316, 63810212), (632, 31905106), (1264, 15952553)]