20959972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{476363}}^1$

素因数の和:476378

約数の個数: 12

約数和(自身を含む): 40014576

約数和(自身を除く): 19054604

約数列:

[1, 2, 4, 11, 22, 44, 476363, 952726, 1905452, 5239993, 10479986, 20959972]

約数ペア:

[(1, 20959972), (2, 10479986), (4, 5239993), (11, 1905452), (22, 952726), (44, 476363)]