20009870

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22483}}^1$

素因数の和:22579

約数の個数: 16

約数和(自身を含む): 36424080

約数和(自身を除く): 16414210

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22483, 44966, 112415, 224830, 2000987, 4001974, 10004935, 20009870]

約数ペア:

[(1, 20009870), (2, 10004935), (5, 4001974), (10, 2000987), (89, 224830), (178, 112415), (445, 44966), (890, 22483)]