20773485

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20071}}^1$

素因数の和:20105

約数の個数: 24

約数和(自身を含む): 37574784

約数和(自身を除く): 16801299

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 20071, 60213, 100355, 180639, 301065, 461633, 903195, 1384899, 2308165, 4154697, 6924495, 20773485]

約数ペア:

[(1, 20773485), (3, 6924495), (5, 4154697), (9, 2308165), (15, 1384899), (23, 903195), (45, 461633), (69, 301065), (115, 180639), (207, 100355), (345, 60213), (1035, 20071)]