20816644

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3271}}^1$

素因数の和:3355

約数の個数: 24

約数和(自身を含む): 38295488

約数和(自身を除く): 17478844

約数列:

[1, 2, 4, 37, 43, 74, 86, 148, 172, 1591, 3182, 3271, 6364, 6542, 13084, 121027, 140653, 242054, 281306, 484108, 562612, 5204161, 10408322, 20816644]

約数ペア:

[(1, 20816644), (2, 10408322), (4, 5204161), (37, 562612), (43, 484108), (74, 281306), (86, 242054), (148, 140653), (172, 121027), (1591, 13084), (3182, 6542), (3271, 6364)]