20810776

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19559}}^1$

素因数の和:19591

約数の個数: 32

約数和(自身を含む): 46944000

約数和(自身を除く): 26133224

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19559, 39118, 78236, 136913, 156472, 273826, 371621, 547652, 743242, 1095304, 1486484, 2601347, 2972968, 5202694, 10405388, 20810776]

約数ペア:

[(1, 20810776), (2, 10405388), (4, 5202694), (7, 2972968), (8, 2601347), (14, 1486484), (19, 1095304), (28, 743242), (38, 547652), (56, 371621), (76, 273826), (133, 156472), (152, 136913), (266, 78236), (532, 39118), (1064, 19559)]