20356065

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1877}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 35449128

約数和(自身を除く): 15093063

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 1877, 2169, 3615, 5631, 9385, 10845, 16893, 28155, 84465, 452357, 1357071, 2261785, 4071213, 6785355, 20356065]

約数ペア:

[(1, 20356065), (3, 6785355), (5, 4071213), (9, 2261785), (15, 1357071), (45, 452357), (241, 84465), (723, 28155), (1205, 16893), (1877, 10845), (2169, 9385), (3615, 5631)]