20572406785

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1531}}^1\times {\mathrm{3023}}^1$

素因数の和:4693

約数の個数: 32

約数和(自身を含む): 28463726592

約数和(自身を除く): 7891319807

約数列:

[1, 5, 7, 35, 127, 635, 889, 1531, 3023, 4445, 7655, 10717, 15115, 21161, 53585, 105805, 194437, 383921, 972185, 1361059, 1919605, 2687447, 4628213, 6805295, 13437235, 23141065, 32397491, 161987455, 587783051, 2938915255, 4114481357, 20572406785]

約数ペア:

[(1, 20572406785), (5, 4114481357), (7, 2938915255), (35, 587783051), (127, 161987455), (635, 32397491), (889, 23141065), (1531, 13437235), (3023, 6805295), (4445, 4628213), (7655, 2687447), (10717, 1919605), (15115, 1361059), (21161, 972185), (53585, 383921), (105805, 194437)]