20458263

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1439}}^1$

素因数の和:2126

約数の個数: 16

約数和(自身を含む): 31242240

約数和(自身を除く): 10783977

約数列:

[1, 3, 7, 21, 677, 1439, 2031, 4317, 4739, 10073, 14217, 30219, 974203, 2922609, 6819421, 20458263]

約数ペア:

[(1, 20458263), (3, 6819421), (7, 2922609), (21, 974203), (677, 30219), (1439, 14217), (2031, 10073), (4317, 4739)]