20820186

素因数分解:

$2^1\times 3^3\times {\mathrm{385559}}^1$

素因数の和:385570

約数の個数: 16

約数和(自身を含む): 46267200

約数和(自身を除く): 25447014

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 385559, 771118, 1156677, 2313354, 3470031, 6940062, 10410093, 20820186]

約数ペア:

[(1, 20820186), (2, 10410093), (3, 6940062), (6, 3470031), (9, 2313354), (18, 1156677), (27, 771118), (54, 385559)]