20145880112

素因数分解:

$2^4\times {\mathrm{2143}}^1\times {\mathrm{587549}}^1$

素因数の和:589700

約数の個数: 20

約数和(自身を含む): 39050923200

約数和(自身を除く): 18905043088

約数列:

[1, 2, 4, 8, 16, 2143, 4286, 8572, 17144, 34288, 587549, 1175098, 2350196, 4700392, 9400784, 1259117507, 2518235014, 5036470028, 10072940056, 20145880112]

約数ペア:

[(1, 20145880112), (2, 10072940056), (4, 5036470028), (8, 2518235014), (16, 1259117507), (2143, 9400784), (4286, 4700392), (8572, 2350196), (17144, 1175098), (34288, 587549)]