20479821

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{1013}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 28619136

約数和(自身を除く): 8139315

約数列:

[1, 3, 23, 69, 293, 879, 1013, 3039, 6739, 20217, 23299, 69897, 296809, 890427, 6826607, 20479821]

約数ペア:

[(1, 20479821), (3, 6826607), (23, 890427), (69, 296809), (293, 69897), (879, 23299), (1013, 20217), (3039, 6739)]