20151112

素因数分解:

$2^3\times {\mathrm{1123}}^1\times {\mathrm{2243}}^1$

素因数の和:3372

約数の個数: 16

約数和(自身を含む): 37833840

約数和(自身を除く): 17682728

約数列:

[1, 2, 4, 8, 1123, 2243, 2246, 4486, 4492, 8972, 8984, 17944, 2518889, 5037778, 10075556, 20151112]

約数ペア:

[(1, 20151112), (2, 10075556), (4, 5037778), (8, 2518889), (1123, 17944), (2243, 8984), (2246, 8972), (4486, 4492)]