20278401

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47269}}^1$

素因数の和:47296

約数の個数: 16

約数和(自身を含む): 31765440

約数和(自身を除く): 11487039

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47269, 141807, 519959, 614497, 1559877, 1843491, 6759467, 20278401]

約数ペア:

[(1, 20278401), (3, 6759467), (11, 1843491), (13, 1559877), (33, 614497), (39, 519959), (143, 141807), (429, 47269)]