20347686

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 80

約数和(自身を含む): 49065984

約数和(自身を除く): 28718298

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 43, 46, 54, 69, 81, 86, 127, 129, 138, 162, 207, 254, 258, 381, 387, 414, 621, 762, 774, 989, 1143, 1161, 1242, 1863, 1978, 2286, 2322, 2921, 2967, 3429, 3483, 3726, 5461, 5842, 5934, 6858, 6966, 8763, 8901, 10287, 10922, 16383, 17526, 17802, 20574, 26289, 26703, 32766, 49149, 52578, 53406, 78867, 80109, 98298, 125603, 147447, 157734, 160218, 236601, 251206, 294894, 376809, 442341, 473202, 753618, 884682, 1130427, 2260854, 3391281, 6782562, 10173843, 20347686]

約数ペア:

[(1, 20347686), (2, 10173843), (3, 6782562), (6, 3391281), (9, 2260854), (18, 1130427), (23, 884682), (27, 753618), (43, 473202), (46, 442341), (54, 376809), (69, 294894), (81, 251206), (86, 236601), (127, 160218), (129, 157734), (138, 147447), (162, 125603), (207, 98298), (254, 80109), (258, 78867), (381, 53406), (387, 52578), (414, 49149), (621, 32766), (762, 26703), (774, 26289), (989, 20574), (1143, 17802), (1161, 17526), (1242, 16383), (1863, 10922), (1978, 10287), (2286, 8901), (2322, 8763), (2921, 6966), (2967, 6858), (3429, 5934), (3483, 5842), (3726, 5461)]