20006668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2039}}^1$

素因数の和:2277

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 18377972

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2039, 2453, 4078, 4906, 8156, 9812, 22429, 44858, 89716, 454697, 909394, 1818788, 5001667, 10003334, 20006668]

約数ペア:

[(1, 20006668), (2, 10003334), (4, 5001667), (11, 1818788), (22, 909394), (44, 454697), (223, 89716), (446, 44858), (892, 22429), (2039, 9812), (2453, 8156), (4078, 4906)]