20411406

素因数分解:

$2^1\times 3^3\times {\mathrm{191}}^1\times {\mathrm{1979}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 25207794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 191, 382, 573, 1146, 1719, 1979, 3438, 3958, 5157, 5937, 10314, 11874, 17811, 35622, 53433, 106866, 377989, 755978, 1133967, 2267934, 3401901, 6803802, 10205703, 20411406]

約数ペア:

[(1, 20411406), (2, 10205703), (3, 6803802), (6, 3401901), (9, 2267934), (18, 1133967), (27, 755978), (54, 377989), (191, 106866), (382, 53433), (573, 35622), (1146, 17811), (1719, 11874), (1979, 10314), (3438, 5937), (3958, 5157)]