20197810

素因数分解:

$2^1\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1789}}^1$

素因数の和:2925

約数の個数: 16

約数和(自身を含む): 36408600

約数和(自身を除く): 16210790

約数列:

[1, 2, 5, 10, 1129, 1789, 2258, 3578, 5645, 8945, 11290, 17890, 2019781, 4039562, 10098905, 20197810]

約数ペア:

[(1, 20197810), (2, 10098905), (5, 4039562), (10, 2019781), (1129, 17890), (1789, 11290), (2258, 8945), (3578, 5645)]