20168556

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{40993}}^1$

素因数の和:41041

約数の個数: 24

約数和(自身を含む): 48208944

約数和(自身を除く): 28040388

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 40993, 81986, 122979, 163972, 245958, 491916, 1680713, 3361426, 5042139, 6722852, 10084278, 20168556]

約数ペア:

[(1, 20168556), (2, 10084278), (3, 6722852), (4, 5042139), (6, 3361426), (12, 1680713), (41, 491916), (82, 245958), (123, 163972), (164, 122979), (246, 81986), (492, 40993)]