20217367503

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{49843}}^1$

素因数の和:50116

約数の個数: 32

約数和(自身を含む): 30480602880

約数和(自身を除く): 10263235377

約数列:

[1, 3, 9, 27, 83, 181, 249, 543, 747, 1629, 2241, 4887, 15023, 45069, 49843, 135207, 149529, 405621, 448587, 1345761, 4136969, 9021583, 12410907, 27064749, 37232721, 81194247, 111698163, 243582741, 748791389, 2246374167, 6739122501, 20217367503]

約数ペア:

[(1, 20217367503), (3, 6739122501), (9, 2246374167), (27, 748791389), (83, 243582741), (181, 111698163), (249, 81194247), (543, 37232721), (747, 27064749), (1629, 12410907), (2241, 9021583), (4887, 4136969), (15023, 1345761), (45069, 448587), (49843, 405621), (135207, 149529)]