20996462

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7817}}^1$

素因数の和:7915

約数の個数: 16

約数和(自身を含む): 33773760

約数和(自身を除く): 12777298

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 7817, 15634, 132889, 265778, 617543, 1235086, 10498231, 20996462]

約数ペア:

[(1, 20996462), (2, 10498231), (17, 1235086), (34, 617543), (79, 265778), (158, 132889), (1343, 15634), (2686, 7817)]