20271472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97459}}^1$

素因数の和:97480

約数の個数: 20

約数和(自身を含む): 42297640

約数和(自身を除く): 22026168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97459, 194918, 389836, 779672, 1266967, 1559344, 2533934, 5067868, 10135736, 20271472]

約数ペア:

[(1, 20271472), (2, 10135736), (4, 5067868), (8, 2533934), (13, 1559344), (16, 1266967), (26, 779672), (52, 389836), (104, 194918), (208, 97459)]