20280468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130003}}^1$

素因数の和:130023

約数の個数: 24

約数和(自身を含む): 50961568

約数和(自身を除く): 30681100

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130003, 260006, 390009, 520012, 780018, 1560036, 1690039, 3380078, 5070117, 6760156, 10140234, 20280468]

約数ペア:

[(1, 20280468), (2, 10140234), (3, 6760156), (4, 5070117), (6, 3380078), (12, 1690039), (13, 1560036), (26, 780018), (39, 520012), (52, 390009), (78, 260006), (156, 130003)]