20324685

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 33960960

約数和(自身を除く): 13636275

約数列:

[1, 3, 5, 15, 31, 93, 109, 155, 327, 401, 465, 545, 1203, 1635, 2005, 3379, 6015, 10137, 12431, 16895, 37293, 43709, 50685, 62155, 131127, 186465, 218545, 655635, 1354979, 4064937, 6774895, 20324685]

約数ペア:

[(1, 20324685), (3, 6774895), (5, 4064937), (15, 1354979), (31, 655635), (93, 218545), (109, 186465), (155, 131127), (327, 62155), (401, 50685), (465, 43709), (545, 37293), (1203, 16895), (1635, 12431), (2005, 10137), (3379, 6015)]