20285859

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6907}}^1$

素因数の和:7010

約数の個数: 16

約数和(自身を含む): 29842560

約数和(自身を除く): 9556701

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 6907, 20721, 75977, 227931, 614723, 1844169, 6761953, 20285859]

約数ペア:

[(1, 20285859), (3, 6761953), (11, 1844169), (33, 614723), (89, 227931), (267, 75977), (979, 20721), (2937, 6907)]