20648316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132361}}^1$

素因数の和:132381

約数の個数: 24

約数和(自身を含む): 51885904

約数和(自身を除く): 31237588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132361, 264722, 397083, 529444, 794166, 1588332, 1720693, 3441386, 5162079, 6882772, 10324158, 20648316]

約数ペア:

[(1, 20648316), (2, 10324158), (3, 6882772), (4, 5162079), (6, 3441386), (12, 1720693), (13, 1588332), (26, 794166), (39, 529444), (52, 397083), (78, 264722), (156, 132361)]