20170495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{881}}^1$

素因数の和:1146

約数の個数: 16

約数和(自身を含む): 25613280

約数和(自身を除く): 5442785

約数列:

[1, 5, 19, 95, 241, 881, 1205, 4405, 4579, 16739, 22895, 83695, 212321, 1061605, 4034099, 20170495]

約数ペア:

[(1, 20170495), (5, 4034099), (19, 1061605), (95, 212321), (241, 83695), (881, 22895), (1205, 16739), (4405, 4579)]