20017460

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4153}}^1$

素因数の和:4403

約数の個数: 24

約数和(自身を含む): 42221256

約数和(自身を除く): 22203796

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4153, 4820, 8306, 16612, 20765, 41530, 83060, 1000873, 2001746, 4003492, 5004365, 10008730, 20017460]

約数ペア:

[(1, 20017460), (2, 10008730), (4, 5004365), (5, 4003492), (10, 2001746), (20, 1000873), (241, 83060), (482, 41530), (964, 20765), (1205, 16612), (2410, 8306), (4153, 4820)]