20059540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7321}}^1$

素因数の和:7467

約数の個数: 24

約数和(自身を含む): 42438312

約数和(自身を除く): 22378772

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7321, 14642, 29284, 36605, 73210, 146420, 1002977, 2005954, 4011908, 5014885, 10029770, 20059540]

約数ペア:

[(1, 20059540), (2, 10029770), (4, 5014885), (5, 4011908), (10, 2005954), (20, 1002977), (137, 146420), (274, 73210), (548, 36605), (685, 29284), (1370, 14642), (2740, 7321)]