20965926

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1093}}^1$

素因数の和:1260

約数の個数: 32

約数和(自身を含む): 44110080

約数和(自身を除く): 23144154

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 139, 278, 417, 834, 1093, 2186, 3197, 3279, 6394, 6558, 9591, 19182, 25139, 50278, 75417, 150834, 151927, 303854, 455781, 911562, 3494321, 6988642, 10482963, 20965926]

約数ペア:

[(1, 20965926), (2, 10482963), (3, 6988642), (6, 3494321), (23, 911562), (46, 455781), (69, 303854), (138, 151927), (139, 150834), (278, 75417), (417, 50278), (834, 25139), (1093, 19182), (2186, 9591), (3197, 6558), (3279, 6394)]