20834489

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 23962752

約数和(自身を除く): 3128263

約数列:

[1, 13, 43, 47, 61, 169, 559, 611, 793, 2021, 2623, 2867, 7267, 7943, 10309, 26273, 34099, 37271, 123281, 341549, 443287, 484523, 1602653, 20834489]

約数ペア:

[(1, 20834489), (13, 1602653), (43, 484523), (47, 443287), (61, 341549), (169, 123281), (559, 37271), (611, 34099), (793, 26273), (2021, 10309), (2623, 7943), (2867, 7267)]