20993696

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21163}}^1$

素因数の和:21204

約数の個数: 24

約数和(自身を含む): 42666624

約数和(自身を除く): 21672928

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21163, 42326, 84652, 169304, 338608, 656053, 677216, 1312106, 2624212, 5248424, 10496848, 20993696]

約数ペア:

[(1, 20993696), (2, 10496848), (4, 5248424), (8, 2624212), (16, 1312106), (31, 677216), (32, 656053), (62, 338608), (124, 169304), (248, 84652), (496, 42326), (992, 21163)]