20151760

素因数分解:

$2^4\times 5^1\times {\mathrm{251897}}^1$

素因数の和:251910

約数の個数: 20

約数和(自身を含む): 46853028

約数和(自身を除く): 26701268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251897, 503794, 1007588, 1259485, 2015176, 2518970, 4030352, 5037940, 10075880, 20151760]

約数ペア:

[(1, 20151760), (2, 10075880), (4, 5037940), (5, 4030352), (8, 2518970), (10, 2015176), (16, 1259485), (20, 1007588), (40, 503794), (80, 251897)]