20565258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25771}}^1$

素因数の和:25802

約数の個数: 32

約数和(自身を含む): 49482240

約数和(自身を除く): 28916982

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 25771, 51542, 77313, 154626, 180397, 360794, 489649, 541191, 979298, 1082382, 1468947, 2937894, 3427543, 6855086, 10282629, 20565258]

約数ペア:

[(1, 20565258), (2, 10282629), (3, 6855086), (6, 3427543), (7, 2937894), (14, 1468947), (19, 1082382), (21, 979298), (38, 541191), (42, 489649), (57, 360794), (114, 180397), (133, 154626), (266, 77313), (399, 51542), (798, 25771)]