20564478

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{367}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 48911616

約数和(自身を除く): 28347138

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 283, 367, 566, 734, 849, 1101, 1698, 2202, 2547, 3113, 3303, 4037, 5094, 6226, 6606, 8074, 9339, 12111, 18678, 24222, 28017, 36333, 56034, 72666, 103861, 207722, 311583, 623166, 934749, 1142471, 1869498, 2284942, 3427413, 6854826, 10282239, 20564478]

約数ペア:

[(1, 20564478), (2, 10282239), (3, 6854826), (6, 3427413), (9, 2284942), (11, 1869498), (18, 1142471), (22, 934749), (33, 623166), (66, 311583), (99, 207722), (198, 103861), (283, 72666), (367, 56034), (566, 36333), (734, 28017), (849, 24222), (1101, 18678), (1698, 12111), (2202, 9339), (2547, 8074), (3113, 6606), (3303, 6226), (4037, 5094)]