20219158564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{528799}}^1$

素因数の和:528904

約数の個数: 36

約数和(自身を含む): 39385024000

約数和(自身を除く): 19165865436

約数列:

[1, 2, 4, 11, 22, 44, 79, 121, 158, 242, 316, 484, 869, 1738, 3476, 9559, 19118, 38236, 528799, 1057598, 2115196, 5816789, 11633578, 23267156, 41775121, 63984679, 83550242, 127969358, 167100484, 255938716, 459526331, 919052662, 1838105324, 5054789641, 10109579282, 20219158564]

約数ペア:

[(1, 20219158564), (2, 10109579282), (4, 5054789641), (11, 1838105324), (22, 919052662), (44, 459526331), (79, 255938716), (121, 167100484), (158, 127969358), (242, 83550242), (316, 63984679), (484, 41775121), (869, 23267156), (1738, 11633578), (3476, 5816789), (9559, 2115196), (19118, 1057598), (38236, 528799)]