20001872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113647}}^1$

素因数の和:113666

約数の個数: 20

約数和(自身を含む): 42277056

約数和(自身を除く): 22275184

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113647, 227294, 454588, 909176, 1250117, 1818352, 2500234, 5000468, 10000936, 20001872]

約数ペア:

[(1, 20001872), (2, 10000936), (4, 5000468), (8, 2500234), (11, 1818352), (16, 1250117), (22, 909176), (44, 454588), (88, 227294), (176, 113647)]