20331479

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 23741952

約数和(自身を除く): 3410473

約数列:

[1, 7, 103, 163, 173, 721, 1141, 1211, 16789, 17819, 28199, 117523, 124733, 197393, 2904497, 20331479]

約数ペア:

[(1, 20331479), (7, 2904497), (103, 197393), (163, 124733), (173, 117523), (721, 28199), (1141, 17819), (1211, 16789)]