20465847

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1499}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 31122000

約数和(自身を除く): 10656153

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1499, 1517, 4497, 4551, 13491, 13653, 55463, 61459, 166389, 184377, 499167, 553131, 2273983, 6821949, 20465847]

約数ペア:

[(1, 20465847), (3, 6821949), (9, 2273983), (37, 553131), (41, 499167), (111, 184377), (123, 166389), (333, 61459), (369, 55463), (1499, 13653), (1517, 13491), (4497, 4551)]