15997220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10957}}^1$

素因数の和:11039

約数の個数: 24

約数和(自身を含む): 34057464

約数和(自身を除く): 18060244

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 10957, 21914, 43828, 54785, 109570, 219140, 799861, 1599722, 3199444, 3999305, 7998610, 15997220]

約数ペア:

[(1, 15997220), (2, 7998610), (4, 3999305), (5, 3199444), (10, 1599722), (20, 799861), (73, 219140), (146, 109570), (292, 54785), (365, 43828), (730, 21914), (1460, 10957)]