20204195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8543}}^1$

素因数の和:8602

約数の個数: 16

約数和(自身を含む): 27067392

約数和(自身を除く): 6863197

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8543, 42715, 93973, 367349, 469865, 1836745, 4040839, 20204195]

約数ペア:

[(1, 20204195), (5, 4040839), (11, 1836745), (43, 469865), (55, 367349), (215, 93973), (473, 42715), (2365, 8543)]