20395418107

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{248461}}^1$

素因数の和:248610

約数の個数: 16

約数和(自身を含む): 22039573248

約数和(自身を除く): 1644155141

約数列:

[1, 23, 43, 83, 989, 1909, 3569, 82087, 248461, 5714603, 10683823, 20622263, 245727929, 474312049, 886757309, 20395418107]

約数ペア:

[(1, 20395418107), (23, 886757309), (43, 474312049), (83, 245727929), (989, 20622263), (1909, 10683823), (3569, 5714603), (82087, 248461)]