20208680

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8563}}^1$

素因数の和:8633

約数の個数: 32

約数和(自身を含む): 46245600

約数和(自身を除く): 26036920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8563, 17126, 34252, 42815, 68504, 85630, 171260, 342520, 505217, 1010434, 2020868, 2526085, 4041736, 5052170, 10104340, 20208680]

約数ペア:

[(1, 20208680), (2, 10104340), (4, 5052170), (5, 4041736), (8, 2526085), (10, 2020868), (20, 1010434), (40, 505217), (59, 342520), (118, 171260), (236, 85630), (295, 68504), (472, 42815), (590, 34252), (1180, 17126), (2360, 8563)]