20307546

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3931}}^1$

素因数の和:3987

約数の個数: 48

約数和(自身を含む): 51524928

約数和(自身を除く): 31217382

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 3931, 5166, 7862, 11793, 23586, 27517, 35379, 55034, 70758, 82551, 161171, 165102, 247653, 322342, 483513, 495306, 967026, 1128197, 1450539, 2256394, 2901078, 3384591, 6769182, 10153773, 20307546]

約数ペア:

[(1, 20307546), (2, 10153773), (3, 6769182), (6, 3384591), (7, 2901078), (9, 2256394), (14, 1450539), (18, 1128197), (21, 967026), (41, 495306), (42, 483513), (63, 322342), (82, 247653), (123, 165102), (126, 161171), (246, 82551), (287, 70758), (369, 55034), (574, 35379), (738, 27517), (861, 23586), (1722, 11793), (2583, 7862), (3931, 5166)]