72972020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331691}}^1$

素因数の和:331711

約数の個数: 24

約数和(自身を含む): 167172768

約数和(自身を除く): 94200748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331691, 663382, 1326764, 1658455, 3316910, 3648601, 6633820, 7297202, 14594404, 18243005, 36486010, 72972020]

約数ペア:

[(1, 72972020), (2, 36486010), (4, 18243005), (5, 14594404), (10, 7297202), (11, 6633820), (20, 3648601), (22, 3316910), (44, 1658455), (55, 1326764), (110, 663382), (220, 331691)]