20618059

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 28684800

約数和(自身を除く): 8066741

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 829, 1309, 1463, 2261, 3553, 5803, 9119, 14093, 15751, 24871, 63833, 98651, 110257, 155023, 173261, 267767, 1085161, 1212827, 1874369, 2945437, 20618059]

約数ペア:

[(1, 20618059), (7, 2945437), (11, 1874369), (17, 1212827), (19, 1085161), (77, 267767), (119, 173261), (133, 155023), (187, 110257), (209, 98651), (323, 63833), (829, 24871), (1309, 15751), (1463, 14093), (2261, 9119), (3553, 5803)]