27947020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19681}}^1$

素因数の和:19761

約数の個数: 24

約数和(自身を含む): 59518368

約数和(自身を除く): 31571348

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 19681, 39362, 78724, 98405, 196810, 393620, 1397351, 2794702, 5589404, 6986755, 13973510, 27947020]

約数ペア:

[(1, 27947020), (2, 13973510), (4, 6986755), (5, 5589404), (10, 2794702), (20, 1397351), (71, 393620), (142, 196810), (284, 98405), (355, 78724), (710, 39362), (1420, 19681)]