20163213427

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{390359}}^1$

素因数の和:390570

約数の個数: 16

約数和(自身を含む): 23683921920

約数和(自身を除く): 3520708493

約数列:

[1, 7, 47, 157, 329, 1099, 7379, 51653, 390359, 2732513, 18346873, 61286363, 128428111, 429004541, 2880459061, 20163213427]

約数ペア:

[(1, 20163213427), (7, 2880459061), (47, 429004541), (157, 128428111), (329, 61286363), (1099, 18346873), (7379, 2732513), (51653, 390359)]