15985352020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72660691}}^1$

素因数の和:72660711

約数の個数: 24

約数和(自身を含む): 36620988768

約数和(自身を除く): 20635636748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72660691, 145321382, 290642764, 363303455, 726606910, 799267601, 1453213820, 1598535202, 3197070404, 3996338005, 7992676010, 15985352020]

約数ペア:

[(1, 15985352020), (2, 7992676010), (4, 3996338005), (5, 3197070404), (10, 1598535202), (11, 1453213820), (20, 799267601), (22, 726606910), (44, 363303455), (55, 290642764), (110, 145321382), (220, 72660691)]