20385054

素因数分解:

$2^1\times 3^3\times {\mathrm{227}}^1\times {\mathrm{1663}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 45527040

約数和(自身を除く): 25141986

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 227, 454, 681, 1362, 1663, 2043, 3326, 4086, 4989, 6129, 9978, 12258, 14967, 29934, 44901, 89802, 377501, 755002, 1132503, 2265006, 3397509, 6795018, 10192527, 20385054]

約数ペア:

[(1, 20385054), (2, 10192527), (3, 6795018), (6, 3397509), (9, 2265006), (18, 1132503), (27, 755002), (54, 377501), (227, 89802), (454, 44901), (681, 29934), (1362, 14967), (1663, 12258), (2043, 9978), (3326, 6129), (4086, 4989)]