20398986

素因数分解:

$2^1\times 3^3\times {\mathrm{113}}^1\times {\mathrm{3343}}^1$

素因数の和:3467

約数の個数: 32

約数和(自身を含む): 45745920

約数和(自身を除く): 25346934

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 113, 226, 339, 678, 1017, 2034, 3051, 3343, 6102, 6686, 10029, 20058, 30087, 60174, 90261, 180522, 377759, 755518, 1133277, 2266554, 3399831, 6799662, 10199493, 20398986]

約数ペア:

[(1, 20398986), (2, 10199493), (3, 6799662), (6, 3399831), (9, 2266554), (18, 1133277), (27, 755518), (54, 377759), (113, 180522), (226, 90261), (339, 60174), (678, 30087), (1017, 20058), (2034, 10029), (3051, 6686), (3343, 6102)]