20123305539

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{290669}}^1$

素因数の和:291210

約数の個数: 16

約数和(自身を含む): 27457850880

約数和(自身を除く): 7334545341

約数列:

[1, 3, 47, 141, 491, 1473, 23077, 69231, 290669, 872007, 13661443, 40984329, 142718479, 428155437, 6707768513, 20123305539]

約数ペア:

[(1, 20123305539), (3, 6707768513), (47, 428155437), (141, 142718479), (491, 40984329), (1473, 13661443), (23077, 872007), (69231, 290669)]