20176769956

素因数分解:

$2^2\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{638263}}^1$

素因数の和:639403

約数の個数: 24

約数和(自身を含む): 40389345920

約数和(自身を除く): 20212575964

約数列:

[1, 2, 4, 7, 14, 28, 1129, 2258, 4516, 7903, 15806, 31612, 638263, 1276526, 2553052, 4467841, 8935682, 17871364, 720598927, 1441197854, 2882395708, 5044192489, 10088384978, 20176769956]

約数ペア:

[(1, 20176769956), (2, 10088384978), (4, 5044192489), (7, 2882395708), (14, 1441197854), (28, 720598927), (1129, 17871364), (2258, 8935682), (4516, 4467841), (7903, 2553052), (15806, 1276526), (31612, 638263)]