20688636

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{15817}}^1$

素因数の和:15933

約数の個数: 24

約数和(自身を含む): 48719440

約数和(自身を除く): 28030804

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 15817, 31634, 47451, 63268, 94902, 189804, 1724053, 3448106, 5172159, 6896212, 10344318, 20688636]

約数ペア:

[(1, 20688636), (2, 10344318), (3, 6896212), (4, 5172159), (6, 3448106), (12, 1724053), (109, 189804), (218, 94902), (327, 63268), (436, 47451), (654, 31634), (1308, 15817)]