20999654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27851}}^1$

素因数の和:27895

約数の個数: 16

約数和(自身を含む): 35093520

約数和(自身を除く): 14093866

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 27851, 55702, 362063, 724126, 807679, 1615358, 10499827, 20999654]

約数ペア:

[(1, 20999654), (2, 10499827), (13, 1615358), (26, 807679), (29, 724126), (58, 362063), (377, 55702), (754, 27851)]