20842664

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 40627200

約数和(自身を除く): 19784536

約数列:

[1, 2, 4, 8, 31, 62, 124, 229, 248, 367, 458, 734, 916, 1468, 1832, 2936, 7099, 11377, 14198, 22754, 28396, 45508, 56792, 84043, 91016, 168086, 336172, 672344, 2605333, 5210666, 10421332, 20842664]

約数ペア:

[(1, 20842664), (2, 10421332), (4, 5210666), (8, 2605333), (31, 672344), (62, 336172), (124, 168086), (229, 91016), (248, 84043), (367, 56792), (458, 45508), (734, 28396), (916, 22754), (1468, 14198), (1832, 11377), (2936, 7099)]