20177482760

素因数分解:

$2^3\times 5^1\times {\mathrm{6529}}^1\times {\mathrm{77261}}^1$

素因数の和:83801

約数の個数: 32

約数和(自身を含む): 45406877400

約数和(自身を除く): 25229394640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6529, 13058, 26116, 32645, 52232, 65290, 77261, 130580, 154522, 261160, 309044, 386305, 618088, 772610, 1545220, 3090440, 504437069, 1008874138, 2017748276, 2522185345, 4035496552, 5044370690, 10088741380, 20177482760]

約数ペア:

[(1, 20177482760), (2, 10088741380), (4, 5044370690), (5, 4035496552), (8, 2522185345), (10, 2017748276), (20, 1008874138), (40, 504437069), (6529, 3090440), (13058, 1545220), (26116, 772610), (32645, 618088), (52232, 386305), (65290, 309044), (77261, 261160), (130580, 154522)]