20278987209

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5976713}}^1$

素因数の和:5976761

約数の個数: 24

約数和(自身を含む): 32632858440

約数和(自身を除く): 12353871231

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 5976713, 17930139, 53790417, 77697269, 173324677, 233091807, 519974031, 699275421, 1559922093, 2253220801, 6759662403, 20278987209]

約数ペア:

[(1, 20278987209), (3, 6759662403), (9, 2253220801), (13, 1559922093), (29, 699275421), (39, 519974031), (87, 233091807), (117, 173324677), (261, 77697269), (377, 53790417), (1131, 17930139), (3393, 5976713)]