20426444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{677}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 37778160

約数和(自身を除く): 17351716

約数列:

[1, 2, 4, 19, 38, 76, 397, 677, 794, 1354, 1588, 2708, 7543, 12863, 15086, 25726, 30172, 51452, 268769, 537538, 1075076, 5106611, 10213222, 20426444]

約数ペア:

[(1, 20426444), (2, 10213222), (4, 5106611), (19, 1075076), (38, 537538), (76, 268769), (397, 51452), (677, 30172), (794, 25726), (1354, 15086), (1588, 12863), (2708, 7543)]