20170661

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1748

約数の個数: 16

約数和(自身を含む): 24193536

約数和(自身を除く): 4022875

約数列:

[1, 7, 37, 47, 259, 329, 1657, 1739, 11599, 12173, 61309, 77879, 429163, 545153, 2881523, 20170661]

約数ペア:

[(1, 20170661), (7, 2881523), (37, 545153), (47, 429163), (259, 77879), (329, 61309), (1657, 12173), (1739, 11599)]