39920620

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1511}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 83952288

約数和(自身を除く): 44031668

約数列:

[1, 2, 4, 5, 10, 20, 1321, 1511, 2642, 3022, 5284, 6044, 6605, 7555, 13210, 15110, 26420, 30220, 1996031, 3992062, 7984124, 9980155, 19960310, 39920620]

約数ペア:

[(1, 39920620), (2, 19960310), (4, 9980155), (5, 7984124), (10, 3992062), (20, 1996031), (1321, 30220), (1511, 26420), (2642, 15110), (3022, 13210), (5284, 7555), (6044, 6605)]