20169495

素因数分解:

$3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{857}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 35068176

約数和(自身を除く): 14898681

約数列:

[1, 3, 5, 9, 15, 45, 523, 857, 1569, 2571, 2615, 4285, 4707, 7713, 7845, 12855, 23535, 38565, 448211, 1344633, 2241055, 4033899, 6723165, 20169495]

約数ペア:

[(1, 20169495), (3, 6723165), (5, 4033899), (9, 2241055), (15, 1344633), (45, 448211), (523, 38565), (857, 23535), (1569, 12855), (2571, 7845), (2615, 7713), (4285, 4707)]