152020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 348768

約数和(自身を除く): 196748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 691, 1382, 2764, 3455, 6910, 7601, 13820, 15202, 30404, 38005, 76010, 152020]

約数ペア:

[(1, 152020), (2, 76010), (4, 38005), (5, 30404), (10, 15202), (11, 13820), (20, 7601), (22, 6910), (44, 3455), (55, 2764), (110, 1382), (220, 691)]