20572556

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 36644160

約数和(自身を除く): 16071604

約数列:

[1, 2, 4, 139, 163, 227, 278, 326, 454, 556, 652, 908, 22657, 31553, 37001, 45314, 63106, 74002, 90628, 126212, 148004, 5143139, 10286278, 20572556]

約数ペア:

[(1, 20572556), (2, 10286278), (4, 5143139), (139, 148004), (163, 126212), (227, 90628), (278, 74002), (326, 63106), (454, 45314), (556, 37001), (652, 31553), (908, 22657)]