20952740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9791}}^1$

素因数の和:9907

約数の個数: 24

約数和(自身を含む): 44416512

約数和(自身を除く): 23463772

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9791, 19582, 39164, 48955, 97910, 195820, 1047637, 2095274, 4190548, 5238185, 10476370, 20952740]

約数ペア:

[(1, 20952740), (2, 10476370), (4, 5238185), (5, 4190548), (10, 2095274), (20, 1047637), (107, 195820), (214, 97910), (428, 48955), (535, 39164), (1070, 19582), (2140, 9791)]