20677625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{3847}}^1$

素因数の和:3905

約数の個数: 16

約数和(自身を含む): 26412672

約数和(自身を除く): 5735047

約数列:

[1, 5, 25, 43, 125, 215, 1075, 3847, 5375, 19235, 96175, 165421, 480875, 827105, 4135525, 20677625]

約数ペア:

[(1, 20677625), (5, 4135525), (25, 827105), (43, 480875), (125, 165421), (215, 96175), (1075, 19235), (3847, 5375)]