19956064

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20117}}^1$

素因数の和:20158

約数の個数: 24

約数和(自身を含む): 40557888

約数和(自身を除く): 20601824

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20117, 40234, 80468, 160936, 321872, 623627, 643744, 1247254, 2494508, 4989016, 9978032, 19956064]

約数ペア:

[(1, 19956064), (2, 9978032), (4, 4989016), (8, 2494508), (16, 1247254), (31, 643744), (32, 623627), (62, 321872), (124, 160936), (248, 80468), (496, 40234), (992, 20117)]