20201690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69661}}^1$

素因数の和:69697

約数の個数: 16

約数和(自身を含む): 37617480

約数和(自身を除く): 17415790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69661, 139322, 348305, 696610, 2020169, 4040338, 10100845, 20201690]

約数ペア:

[(1, 20201690), (2, 10100845), (5, 4040338), (10, 2020169), (29, 696610), (58, 348305), (145, 139322), (290, 69661)]