20184845

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 24955392

約数和(自身を除く): 4770547

約数列:

[1, 5, 43, 215, 223, 421, 1115, 2105, 9589, 18103, 47945, 90515, 93883, 469415, 4036969, 20184845]

約数ペア:

[(1, 20184845), (5, 4036969), (43, 469415), (215, 93883), (223, 90515), (421, 47945), (1115, 18103), (2105, 9589)]