20890122

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1031}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 45771264

約数和(自身を除く): 24881142

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 307, 614, 921, 1031, 1842, 2062, 3093, 3377, 6186, 6754, 10131, 11341, 20262, 22682, 34023, 68046, 316517, 633034, 949551, 1899102, 3481687, 6963374, 10445061, 20890122]

約数ペア:

[(1, 20890122), (2, 10445061), (3, 6963374), (6, 3481687), (11, 1899102), (22, 949551), (33, 633034), (66, 316517), (307, 68046), (614, 34023), (921, 22682), (1031, 20262), (1842, 11341), (2062, 10131), (3093, 6754), (3377, 6186)]