20744983

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2003

約数の個数: 16

約数和(自身を含む): 24985600

約数和(自身を除く): 4240617

約数列:

[1, 7, 31, 49, 217, 343, 1519, 1951, 10633, 13657, 60481, 95599, 423367, 669193, 2963569, 20744983]

約数ペア:

[(1, 20744983), (7, 2963569), (31, 669193), (49, 423367), (217, 95599), (343, 60481), (1519, 13657), (1951, 10633)]