20025905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2969}}^1$

素因数の和:3064

約数の個数: 16

約数和(自身を含む): 25660800

約数和(自身を除く): 5634895

約数列:

[1, 5, 19, 71, 95, 355, 1349, 2969, 6745, 14845, 56411, 210799, 282055, 1053995, 4005181, 20025905]

約数ペア:

[(1, 20025905), (5, 4005181), (19, 1053995), (71, 282055), (95, 210799), (355, 56411), (1349, 14845), (2969, 6745)]