20460070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28817}}^1$

素因数の和:28895

約数の個数: 16

約数和(自身を含む): 37348128

約数和(自身を除く): 16888058

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28817, 57634, 144085, 288170, 2046007, 4092014, 10230035, 20460070]

約数ペア:

[(1, 20460070), (2, 10230035), (5, 4092014), (10, 2046007), (71, 288170), (142, 144085), (355, 57634), (710, 28817)]