20725518

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1303}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 45441792

約数和(自身を除く): 24716274

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 241, 482, 723, 1303, 1446, 2606, 2651, 3909, 5302, 7818, 7953, 14333, 15906, 28666, 42999, 85998, 314023, 628046, 942069, 1884138, 3454253, 6908506, 10362759, 20725518]

約数ペア:

[(1, 20725518), (2, 10362759), (3, 6908506), (6, 3454253), (11, 1884138), (22, 942069), (33, 628046), (66, 314023), (241, 85998), (482, 42999), (723, 28666), (1303, 15906), (1446, 14333), (2606, 7953), (2651, 7818), (3909, 5302)]