20997754

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1\times {\mathrm{881}}^1$

素因数の和:1601

約数の個数: 16

約数和(自身を含む): 33434856

約数和(自身を除く): 12437102

約数列:

[1, 2, 17, 34, 701, 881, 1402, 1762, 11917, 14977, 23834, 29954, 617581, 1235162, 10498877, 20997754]

約数ペア:

[(1, 20997754), (2, 10498877), (17, 1235162), (34, 617581), (701, 29954), (881, 23834), (1402, 14977), (1762, 11917)]