20446916

素因数分解:

$2^2\times 7^4\times {\mathrm{2129}}^1$

素因数の和:2161

約数の個数: 30

約数和(自身を含む): 41762910

約数和(自身を除く): 21315994

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2129, 2401, 4258, 4802, 8516, 9604, 14903, 29806, 59612, 104321, 208642, 417284, 730247, 1460494, 2920988, 5111729, 10223458, 20446916]

約数ペア:

[(1, 20446916), (2, 10223458), (4, 5111729), (7, 2920988), (14, 1460494), (28, 730247), (49, 417284), (98, 208642), (196, 104321), (343, 59612), (686, 29806), (1372, 14903), (2129, 9604), (2401, 8516), (4258, 4802)]