20808280580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10301129}}^1$

素因数の和:10301239

約数の個数: 24

約数和(自身を含む): 44130040920

約数和(自身を除く): 23321760340

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 10301129, 20602258, 41204516, 51505645, 103011290, 206022580, 1040414029, 2080828058, 4161656116, 5202070145, 10404140290, 20808280580]

約数ペア:

[(1, 20808280580), (2, 10404140290), (4, 5202070145), (5, 4161656116), (10, 2080828058), (20, 1040414029), (101, 206022580), (202, 103011290), (404, 51505645), (505, 41204516), (1010, 20602258), (2020, 10301129)]