20145128820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{335752147}}^1$

素因数の和:335752159

約数の個数: 24

約数和(自身を含む): 56406360864

約数和(自身を除く): 36261232044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 335752147, 671504294, 1007256441, 1343008588, 1678760735, 2014512882, 3357521470, 4029025764, 5036282205, 6715042940, 10072564410, 20145128820]

約数ペア:

[(1, 20145128820), (2, 10072564410), (3, 6715042940), (4, 5036282205), (5, 4029025764), (6, 3357521470), (10, 2014512882), (12, 1678760735), (15, 1343008588), (20, 1007256441), (30, 671504294), (60, 335752147)]