20964730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91151}}^1$

素因数の和:91181

約数の個数: 16

約数和(自身を含む): 39377664

約数和(自身を除く): 18412934

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91151, 182302, 455755, 911510, 2096473, 4192946, 10482365, 20964730]

約数ペア:

[(1, 20964730), (2, 10482365), (5, 4192946), (10, 2096473), (23, 911510), (46, 455755), (115, 182302), (230, 91151)]