20395020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14779}}^1$

素因数の和:14814

約数の個数: 48

約数和(自身を含む): 59592960

約数和(自身を除く): 39197940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14779, 29558, 44337, 59116, 73895, 88674, 147790, 177348, 221685, 295580, 339917, 443370, 679834, 886740, 1019751, 1359668, 1699585, 2039502, 3399170, 4079004, 5098755, 6798340, 10197510, 20395020]

約数ペア:

[(1, 20395020), (2, 10197510), (3, 6798340), (4, 5098755), (5, 4079004), (6, 3399170), (10, 2039502), (12, 1699585), (15, 1359668), (20, 1019751), (23, 886740), (30, 679834), (46, 443370), (60, 339917), (69, 295580), (92, 221685), (115, 177348), (138, 147790), (230, 88674), (276, 73895), (345, 59116), (460, 44337), (690, 29558), (1380, 14779)]