20453820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340897}}^1$

素因数の和:340909

約数の個数: 24

約数和(自身を含む): 57270864

約数和(自身を除く): 36817044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340897, 681794, 1022691, 1363588, 1704485, 2045382, 3408970, 4090764, 5113455, 6817940, 10226910, 20453820]

約数ペア:

[(1, 20453820), (2, 10226910), (3, 6817940), (4, 5113455), (5, 4090764), (6, 3408970), (10, 2045382), (12, 1704485), (15, 1363588), (20, 1022691), (30, 681794), (60, 340897)]