20161172905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{80309}}^1$

素因数の和:80433

約数の個数: 32

約数和(自身を含む): 26367379200

約数和(自身を除く): 6206206295

約数列:

[1, 5, 23, 37, 59, 115, 185, 295, 851, 1357, 2183, 4255, 6785, 10915, 50209, 80309, 251045, 401545, 1847107, 2971433, 4738231, 9235535, 14857165, 23691155, 68342959, 108979313, 175314547, 341714795, 544896565, 876572735, 4032234581, 20161172905]

約数ペア:

[(1, 20161172905), (5, 4032234581), (23, 876572735), (37, 544896565), (59, 341714795), (115, 175314547), (185, 108979313), (295, 68342959), (851, 23691155), (1357, 14857165), (2183, 9235535), (4255, 4738231), (6785, 2971433), (10915, 1847107), (50209, 401545), (80309, 251045)]