20152307

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 23620800

約数和(自身を除く): 3468493

約数列:

[1, 7, 73, 113, 349, 511, 791, 2443, 8249, 25477, 39437, 57743, 178339, 276059, 2878901, 20152307]

約数ペア:

[(1, 20152307), (7, 2878901), (73, 276059), (113, 178339), (349, 57743), (511, 39437), (791, 25477), (2443, 8249)]