20076385

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{419}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 28365120

約数和(自身を除く): 8288735

約数列:

[1, 5, 7, 35, 37, 185, 259, 419, 1295, 1369, 2095, 2933, 6845, 9583, 14665, 15503, 47915, 77515, 108521, 542605, 573611, 2868055, 4015277, 20076385]

約数ペア:

[(1, 20076385), (5, 4015277), (7, 2868055), (35, 573611), (37, 542605), (185, 108521), (259, 77515), (419, 47915), (1295, 15503), (1369, 14665), (2095, 9583), (2933, 6845)]