20204289

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2017}}^1$

素因数の和:2086

約数の個数: 32

約数和(自身を含む): 34871040

約数和(自身を除く): 14666751

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 2017, 3339, 6051, 10017, 14119, 18153, 42357, 54459, 106901, 127071, 320703, 381213, 748307, 962109, 2244921, 2886327, 6734763, 20204289]

約数ペア:

[(1, 20204289), (3, 6734763), (7, 2886327), (9, 2244921), (21, 962109), (27, 748307), (53, 381213), (63, 320703), (159, 127071), (189, 106901), (371, 54459), (477, 42357), (1113, 18153), (1431, 14119), (2017, 10017), (3339, 6051)]