20271530

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22777}}^1$

素因数の和:22873

約数の個数: 16

約数和(自身を含む): 36900360

約数和(自身を除く): 16628830

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22777, 45554, 113885, 227770, 2027153, 4054306, 10135765, 20271530]

約数ペア:

[(1, 20271530), (2, 10135765), (5, 4054306), (10, 2027153), (89, 227770), (178, 113885), (445, 45554), (890, 22777)]