20202057

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 30086784

約数和(自身を除く): 9884727

約数列:

[1, 3, 9, 47, 141, 163, 293, 423, 489, 879, 1467, 2637, 7661, 13771, 22983, 41313, 47759, 68949, 123939, 143277, 429831, 2244673, 6734019, 20202057]

約数ペア:

[(1, 20202057), (3, 6734019), (9, 2244673), (47, 429831), (141, 143277), (163, 123939), (293, 68949), (423, 47759), (489, 41313), (879, 22983), (1467, 13771), (2637, 7661)]