20564658

素因数分解:

$2^1\times 3^3\times {\mathrm{229}}^1\times {\mathrm{1663}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 45926400

約数和(自身を除く): 25361742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 229, 458, 687, 1374, 1663, 2061, 3326, 4122, 4989, 6183, 9978, 12366, 14967, 29934, 44901, 89802, 380827, 761654, 1142481, 2284962, 3427443, 6854886, 10282329, 20564658]

約数ペア:

[(1, 20564658), (2, 10282329), (3, 6854886), (6, 3427443), (9, 2284962), (18, 1142481), (27, 761654), (54, 380827), (229, 89802), (458, 44901), (687, 29934), (1374, 14967), (1663, 12366), (2061, 9978), (3326, 6183), (4122, 4989)]