20184997

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1428

約数の個数: 16

約数和(自身を含む): 24095232

約数和(自身を除く): 3910235

約数列:

[1, 7, 41, 53, 287, 371, 1327, 2173, 9289, 15211, 54407, 70331, 380849, 492317, 2883571, 20184997]

約数ペア:

[(1, 20184997), (7, 2883571), (41, 492317), (53, 380849), (287, 70331), (371, 54407), (1327, 15211), (2173, 9289)]