20502945

素因数分解:

$3^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{677}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 35643816

約数和(自身を除く): 15140871

約数列:

[1, 3, 5, 9, 15, 45, 673, 677, 2019, 2031, 3365, 3385, 6057, 6093, 10095, 10155, 30285, 30465, 455621, 1366863, 2278105, 4100589, 6834315, 20502945]

約数ペア:

[(1, 20502945), (3, 6834315), (5, 4100589), (9, 2278105), (15, 1366863), (45, 455621), (673, 30465), (677, 30285), (2019, 10155), (2031, 10095), (3365, 6093), (3385, 6057)]