20011130

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19813}}^1$

素因数の和:19921

約数の個数: 16

約数和(自身を含む): 36378504

約数和(自身を除く): 16367374

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 19813, 39626, 99065, 198130, 2001113, 4002226, 10005565, 20011130]

約数ペア:

[(1, 20011130), (2, 10005565), (5, 4002226), (10, 2001113), (101, 198130), (202, 99065), (505, 39626), (1010, 19813)]