20101024

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{4001}}^1$

素因数の和:4168

約数の個数: 24

約数和(自身を含む): 39835908

約数和(自身を除く): 19734884

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4001, 5024, 8002, 16004, 32008, 64016, 128032, 628157, 1256314, 2512628, 5025256, 10050512, 20101024]

約数ペア:

[(1, 20101024), (2, 10050512), (4, 5025256), (8, 2512628), (16, 1256314), (32, 628157), (157, 128032), (314, 64016), (628, 32008), (1256, 16004), (2512, 8002), (4001, 5024)]