20155849049

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109147}}^1$

素因数の和:109245

約数の個数: 32

約数和(自身を含む): 25483001856

約数和(自身を除く): 5327152807

約数列:

[1, 7, 23, 31, 37, 161, 217, 259, 713, 851, 1147, 4991, 5957, 8029, 26381, 109147, 184667, 764029, 2510381, 3383557, 4038439, 17572667, 23684899, 28269073, 77821811, 92884097, 125191609, 544752677, 650188679, 876341263, 2879407007, 20155849049]

約数ペア:

[(1, 20155849049), (7, 2879407007), (23, 876341263), (31, 650188679), (37, 544752677), (161, 125191609), (217, 92884097), (259, 77821811), (713, 28269073), (851, 23684899), (1147, 17572667), (4991, 4038439), (5957, 3383557), (8029, 2510381), (26381, 764029), (109147, 184667)]