20506757

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 22276800

約数和(自身を除く): 1770043

約数列:

[1, 19, 67, 89, 181, 1273, 1691, 3439, 5963, 12127, 16109, 113297, 230413, 306071, 1079303, 20506757]

約数ペア:

[(1, 20506757), (19, 1079303), (67, 306071), (89, 230413), (181, 113297), (1273, 16109), (1691, 12127), (3439, 5963)]