20580050

素因数分解:

$2^1\times 5^2\times {\mathrm{523}}^1\times {\mathrm{787}}^1$

素因数の和:1322

約数の個数: 24

約数和(自身を含む): 38400816

約数和(自身を除く): 17820766

約数列:

[1, 2, 5, 10, 25, 50, 523, 787, 1046, 1574, 2615, 3935, 5230, 7870, 13075, 19675, 26150, 39350, 411601, 823202, 2058005, 4116010, 10290025, 20580050]

約数ペア:

[(1, 20580050), (2, 10290025), (5, 4116010), (10, 2058005), (25, 823202), (50, 411601), (523, 39350), (787, 26150), (1046, 19675), (1574, 13075), (2615, 7870), (3935, 5230)]