203411980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{100699}}^1$

素因数の和:100809

約数の個数: 24

約数和(自身を含む): 431398800

約数和(自身を除く): 227986820

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 100699, 201398, 402796, 503495, 1006990, 2013980, 10170599, 20341198, 40682396, 50852995, 101705990, 203411980]

約数ペア:

[(1, 203411980), (2, 101705990), (4, 50852995), (5, 40682396), (10, 20341198), (20, 10170599), (101, 2013980), (202, 1006990), (404, 503495), (505, 402796), (1010, 201398), (2020, 100699)]