20013693

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 31997952

約数和(自身を除く): 11984259

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 433, 497, 651, 1299, 1491, 2201, 3031, 6603, 9093, 13423, 15407, 30743, 40269, 46221, 92229, 93961, 215201, 281883, 645603, 953033, 2859099, 6671231, 20013693]

約数ペア:

[(1, 20013693), (3, 6671231), (7, 2859099), (21, 953033), (31, 645603), (71, 281883), (93, 215201), (213, 93961), (217, 92229), (433, 46221), (497, 40269), (651, 30743), (1299, 15407), (1491, 13423), (2201, 9093), (3031, 6603)]