20952003

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1327}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 29534720

約数和(自身を除く): 8582717

約数列:

[1, 3, 19, 57, 277, 831, 1327, 3981, 5263, 15789, 25213, 75639, 367579, 1102737, 6984001, 20952003]

約数ペア:

[(1, 20952003), (3, 6984001), (19, 1102737), (57, 367579), (277, 75639), (831, 25213), (1327, 15789), (3981, 5263)]