20722122

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{1063}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 48646080

約数和(自身を除く): 27923958

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 361, 513, 722, 1026, 1063, 1083, 2126, 2166, 3189, 3249, 6378, 6498, 9567, 9747, 19134, 19494, 20197, 28701, 40394, 57402, 60591, 121182, 181773, 363546, 383743, 545319, 767486, 1090638, 1151229, 2302458, 3453687, 6907374, 10361061, 20722122]

約数ペア:

[(1, 20722122), (2, 10361061), (3, 6907374), (6, 3453687), (9, 2302458), (18, 1151229), (19, 1090638), (27, 767486), (38, 545319), (54, 383743), (57, 363546), (114, 181773), (171, 121182), (342, 60591), (361, 57402), (513, 40394), (722, 28701), (1026, 20197), (1063, 19494), (1083, 19134), (2126, 9747), (2166, 9567), (3189, 6498), (3249, 6378)]