20197160

素因数分解:

$2^3\times 5^1\times {\mathrm{504929}}^1$

素因数の和:504940

約数の個数: 16

約数和(自身を含む): 45443700

約数和(自身を除く): 25246540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504929, 1009858, 2019716, 2524645, 4039432, 5049290, 10098580, 20197160]

約数ペア:

[(1, 20197160), (2, 10098580), (4, 5049290), (5, 4039432), (8, 2524645), (10, 2019716), (20, 1009858), (40, 504929)]