20844580

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3709}}^1$

素因数の和:3999

約数の個数: 24

約数和(自身を含む): 43941240

約数和(自身を除く): 23096660

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 3709, 5620, 7418, 14836, 18545, 37090, 74180, 1042229, 2084458, 4168916, 5211145, 10422290, 20844580]

約数ペア:

[(1, 20844580), (2, 10422290), (4, 5211145), (5, 4168916), (10, 2084458), (20, 1042229), (281, 74180), (562, 37090), (1124, 18545), (1405, 14836), (2810, 7418), (3709, 5620)]