12669820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15451}}^1$

素因数の和:15501

約数の個数: 24

約数和(自身を含む): 27257328

約数和(自身を除く): 14587508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15451, 30902, 61804, 77255, 154510, 309020, 633491, 1266982, 2533964, 3167455, 6334910, 12669820]

約数ペア:

[(1, 12669820), (2, 6334910), (4, 3167455), (5, 2533964), (10, 1266982), (20, 633491), (41, 309020), (82, 154510), (164, 77255), (205, 61804), (410, 30902), (820, 15451)]