20191765713

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1429}}^1\times {\mathrm{6173}}^1$

素因数の和:7721

約数の個数: 32

約数和(自身を含む): 31077446400

約数和(自身を除く): 10885680687

約数列:

[1, 3, 7, 21, 109, 327, 763, 1429, 2289, 4287, 6173, 10003, 18519, 30009, 43211, 129633, 155761, 467283, 672857, 1090327, 2018571, 3270981, 4709999, 8821217, 14129997, 26463651, 61748519, 185245557, 961512653, 2884537959, 6730588571, 20191765713]

約数ペア:

[(1, 20191765713), (3, 6730588571), (7, 2884537959), (21, 961512653), (109, 185245557), (327, 61748519), (763, 26463651), (1429, 14129997), (2289, 8821217), (4287, 4709999), (6173, 3270981), (10003, 2018571), (18519, 1090327), (30009, 672857), (43211, 467283), (129633, 155761)]