20000104345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1\times {\mathrm{6229}}^1$

素因数の和:7345

約数の個数: 32

約数和(自身を含む): 26425566720

約数和(自身を除く): 6425462375

約数列:

[1, 5, 13, 47, 65, 235, 611, 1051, 3055, 5255, 6229, 13663, 31145, 49397, 68315, 80977, 246985, 292763, 404885, 642161, 1463815, 3210805, 3805919, 6546679, 19029595, 32733395, 85106827, 307693913, 425534135, 1538469565, 4000020869, 20000104345]

約数ペア:

[(1, 20000104345), (5, 4000020869), (13, 1538469565), (47, 425534135), (65, 307693913), (235, 85106827), (611, 32733395), (1051, 19029595), (3055, 6546679), (5255, 3805919), (6229, 3210805), (13663, 1463815), (31145, 642161), (49397, 404885), (68315, 292763), (80977, 246985)]