20621697

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 10067583

約数列:

[1, 3, 17, 29, 51, 73, 87, 191, 219, 493, 573, 1241, 1479, 2117, 3247, 3723, 5539, 6351, 9741, 13943, 16617, 35989, 41829, 94163, 107967, 237031, 282489, 404347, 711093, 1213041, 6873899, 20621697]

約数ペア:

[(1, 20621697), (3, 6873899), (17, 1213041), (29, 711093), (51, 404347), (73, 282489), (87, 237031), (191, 107967), (219, 94163), (493, 41829), (573, 35989), (1241, 16617), (1479, 13943), (2117, 9741), (3247, 6351), (3723, 5539)]