20238085

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 29122560

約数和(自身を除く): 8884475

約数列:

[1, 5, 7, 29, 35, 127, 145, 157, 203, 635, 785, 889, 1015, 1099, 3683, 4445, 4553, 5495, 18415, 19939, 22765, 25781, 31871, 99695, 128905, 139573, 159355, 578231, 697865, 2891155, 4047617, 20238085]

約数ペア:

[(1, 20238085), (5, 4047617), (7, 2891155), (29, 697865), (35, 578231), (127, 159355), (145, 139573), (157, 128905), (203, 99695), (635, 31871), (785, 25781), (889, 22765), (1015, 19939), (1099, 18415), (3683, 5495), (4445, 4553)]