20438794

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1091}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 14942006

約数列:

[1, 2, 17, 19, 29, 34, 38, 58, 323, 493, 551, 646, 986, 1091, 1102, 2182, 9367, 18547, 18734, 20729, 31639, 37094, 41458, 63278, 352393, 537863, 601141, 704786, 1075726, 1202282, 10219397, 20438794]

約数ペア:

[(1, 20438794), (2, 10219397), (17, 1202282), (19, 1075726), (29, 704786), (34, 601141), (38, 537863), (58, 352393), (323, 63278), (493, 41458), (551, 37094), (646, 31639), (986, 20729), (1091, 18734), (1102, 18547), (2182, 9367)]