20733980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9511}}^1$

素因数の和:9629

約数の個数: 24

約数和(自身を含む): 43945440

約数和(自身を除く): 23211460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9511, 19022, 38044, 47555, 95110, 190220, 1036699, 2073398, 4146796, 5183495, 10366990, 20733980]

約数ペア:

[(1, 20733980), (2, 10366990), (4, 5183495), (5, 4146796), (10, 2073398), (20, 1036699), (109, 190220), (218, 95110), (436, 47555), (545, 38044), (1090, 19022), (2180, 9511)]