20208045320

素因数分解:

$2^3\times 5^1\times {\mathrm{505201133}}^1$

素因数の和:505201144

約数の個数: 16

約数和(自身を含む): 45468102060

約数和(自身を除く): 25260056740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505201133, 1010402266, 2020804532, 2526005665, 4041609064, 5052011330, 10104022660, 20208045320]

約数ペア:

[(1, 20208045320), (2, 10104022660), (4, 5052011330), (5, 4041609064), (8, 2526005665), (10, 2020804532), (20, 1010402266), (40, 505201133)]