20128199418

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{236563}}^1$

素因数の和:236763

約数の個数: 48

約数和(自身を含む): 45391900320

約数和(自身を除く): 25263700902

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 163, 174, 261, 326, 489, 522, 978, 1467, 2934, 4727, 9454, 14181, 28362, 42543, 85086, 236563, 473126, 709689, 1419378, 2129067, 4258134, 6860327, 13720654, 20580981, 38559769, 41161962, 61742943, 77119538, 115679307, 123485886, 231358614, 347037921, 694075842, 1118233301, 2236466602, 3354699903, 6709399806, 10064099709, 20128199418]

約数ペア:

[(1, 20128199418), (2, 10064099709), (3, 6709399806), (6, 3354699903), (9, 2236466602), (18, 1118233301), (29, 694075842), (58, 347037921), (87, 231358614), (163, 123485886), (174, 115679307), (261, 77119538), (326, 61742943), (489, 41161962), (522, 38559769), (978, 20580981), (1467, 13720654), (2934, 6860327), (4727, 4258134), (9454, 2129067), (14181, 1419378), (28362, 709689), (42543, 473126), (85086, 236563)]