11978020

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{977}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 25220664

約数和(自身を除く): 13242644

約数列:

[1, 2, 4, 5, 10, 20, 613, 977, 1226, 1954, 2452, 3065, 3908, 4885, 6130, 9770, 12260, 19540, 598901, 1197802, 2395604, 2994505, 5989010, 11978020]

約数ペア:

[(1, 11978020), (2, 5989010), (4, 2994505), (5, 2395604), (10, 1197802), (20, 598901), (613, 19540), (977, 12260), (1226, 9770), (1954, 6130), (2452, 4885), (3065, 3908)]