20337505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2207}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 25966080

約数和(自身を除く): 5628575

約数列:

[1, 5, 19, 95, 97, 485, 1843, 2207, 9215, 11035, 41933, 209665, 214079, 1070395, 4067501, 20337505]

約数ペア:

[(1, 20337505), (5, 4067501), (19, 1070395), (95, 214079), (97, 209665), (485, 41933), (1843, 11035), (2207, 9215)]