20208040

素因数分解:

$2^3\times 5^1\times {\mathrm{505201}}^1$

素因数の和:505212

約数の個数: 16

約数和(自身を含む): 45468180

約数和(自身を除く): 25260140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505201, 1010402, 2020804, 2526005, 4041608, 5052010, 10104020, 20208040]

約数ペア:

[(1, 20208040), (2, 10104020), (4, 5052010), (5, 4041608), (8, 2526005), (10, 2020804), (20, 1010402), (40, 505201)]