20123004445

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{23011}}^1$

素因数の和:23245

約数の個数: 32

約数和(自身を含む): 25813941120

約数和(自身を除く): 5690936675

約数列:

[1, 5, 29, 37, 145, 163, 185, 815, 1073, 4727, 5365, 6031, 23011, 23635, 30155, 115055, 174899, 667319, 851407, 874495, 3336595, 3750793, 4257035, 18753965, 24690803, 108772997, 123454015, 138779341, 543864985, 693896705, 4024600889, 20123004445]

約数ペア:

[(1, 20123004445), (5, 4024600889), (29, 693896705), (37, 543864985), (145, 138779341), (163, 123454015), (185, 108772997), (815, 24690803), (1073, 18753965), (4727, 4257035), (5365, 3750793), (6031, 3336595), (23011, 874495), (23635, 851407), (30155, 667319), (115055, 174899)]