20953295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20051}}^1$

素因数の和:20086

約数の個数: 16

約数和(自身を含む): 28874880

約数和(自身を除く): 7921585

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 20051, 100255, 220561, 380969, 1102805, 1904845, 4190659, 20953295]

約数ペア:

[(1, 20953295), (5, 4190659), (11, 1904845), (19, 1102805), (55, 380969), (95, 220561), (209, 100255), (1045, 20051)]