20187992168

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{111773}}^1$

素因数の和:112097

約数の個数: 32

約数和(自身を含む): 38387662560

約数和(自身を除く): 18199670392

約数列:

[1, 2, 4, 8, 107, 211, 214, 422, 428, 844, 856, 1688, 22577, 45154, 90308, 111773, 180616, 223546, 447092, 894184, 11959711, 23584103, 23919422, 47168206, 47838844, 94336412, 95677688, 188672824, 2523499021, 5046998042, 10093996084, 20187992168]

約数ペア:

[(1, 20187992168), (2, 10093996084), (4, 5046998042), (8, 2523499021), (107, 188672824), (211, 95677688), (214, 94336412), (422, 47838844), (428, 47168206), (844, 23919422), (856, 23584103), (1688, 11959711), (22577, 894184), (45154, 447092), (90308, 223546), (111773, 180616)]