20513304585

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10601191}}^1$

素因数の和:10601245

約数の個数: 24

約数和(自身を含む): 36383290944

約数和(自身を除く): 15869986359

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10601191, 31803573, 53005955, 95410719, 159017865, 455851213, 477053595, 1367553639, 2279256065, 4102660917, 6837768195, 20513304585]

約数ペア:

[(1, 20513304585), (3, 6837768195), (5, 4102660917), (9, 2279256065), (15, 1367553639), (43, 477053595), (45, 455851213), (129, 159017865), (215, 95410719), (387, 53005955), (645, 31803573), (1935, 10601191)]