20698912

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49757}}^1$

素因数の和:49780

約数の個数: 24

約数和(自身を含む): 43886556

約数和(自身を除く): 23187644

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49757, 99514, 199028, 398056, 646841, 796112, 1293682, 1592224, 2587364, 5174728, 10349456, 20698912]

約数ペア:

[(1, 20698912), (2, 10349456), (4, 5174728), (8, 2587364), (13, 1592224), (16, 1293682), (26, 796112), (32, 646841), (52, 398056), (104, 199028), (208, 99514), (416, 49757)]