20100575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3847}}^1$

素因数の和:3887

約数の個数: 24

約数和(自身を含む): 28629120

約数和(自身を除く): 8528545

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 3847, 5225, 19235, 42317, 73093, 96175, 211585, 365465, 804023, 1057925, 1827325, 4020115, 20100575]

約数ペア:

[(1, 20100575), (5, 4020115), (11, 1827325), (19, 1057925), (25, 804023), (55, 365465), (95, 211585), (209, 96175), (275, 73093), (475, 42317), (1045, 19235), (3847, 5225)]