20969198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1229}}^1$

素因数の和:1699

約数の個数: 16

約数和(自身を含む): 33210000

約数和(自身を除く): 12240802

約数列:

[1, 2, 19, 38, 449, 898, 1229, 2458, 8531, 17062, 23351, 46702, 551821, 1103642, 10484599, 20969198]

約数ペア:

[(1, 20969198), (2, 10484599), (19, 1103642), (38, 551821), (449, 46702), (898, 23351), (1229, 17062), (2458, 8531)]