20216588

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23291}}^1$

素因数の和:23333

約数の個数: 24

約数和(自身を含む): 41739264

約数和(自身を除く): 21522676

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23291, 46582, 93164, 163037, 326074, 652148, 722021, 1444042, 2888084, 5054147, 10108294, 20216588]

約数ペア:

[(1, 20216588), (2, 10108294), (4, 5054147), (7, 2888084), (14, 1444042), (28, 722021), (31, 652148), (62, 326074), (124, 163037), (217, 93164), (434, 46582), (868, 23291)]