20265716

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{877}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 36507240

約数和(自身を除く): 16241524

約数列:

[1, 2, 4, 53, 106, 109, 212, 218, 436, 877, 1754, 3508, 5777, 11554, 23108, 46481, 92962, 95593, 185924, 191186, 382372, 5066429, 10132858, 20265716]

約数ペア:

[(1, 20265716), (2, 10132858), (4, 5066429), (53, 382372), (106, 191186), (109, 185924), (212, 95593), (218, 92962), (436, 46481), (877, 23108), (1754, 11554), (3508, 5777)]