20187468

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 168

約数和(自身を含む): 64635648

約数和(自身を除く): 44448180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 43, 46, 54, 63, 69, 81, 84, 86, 92, 108, 126, 129, 138, 161, 162, 172, 189, 207, 243, 252, 258, 276, 301, 322, 324, 378, 387, 414, 483, 486, 516, 567, 602, 621, 644, 729, 756, 774, 828, 903, 966, 972, 989, 1134, 1161, 1204, 1242, 1449, 1458, 1548, 1701, 1806, 1863, 1932, 1978, 2268, 2322, 2484, 2709, 2898, 2916, 2967, 3402, 3483, 3612, 3726, 3956, 4347, 4644, 5103, 5418, 5589, 5796, 5934, 6804, 6923, 6966, 7452, 8127, 8694, 8901, 10206, 10449, 10836, 11178, 11868, 13041, 13846, 13932, 16254, 16767, 17388, 17802, 20412, 20769, 20898, 22356, 24381, 26082, 26703, 27692, 31347, 32508, 33534, 35604, 39123, 41538, 41796, 48762, 52164, 53406, 62307, 62694, 67068, 73143, 78246, 80109, 83076, 97524, 106812, 117369, 124614, 125388, 146286, 156492, 160218, 186921, 219429, 234738, 240327, 249228, 292572, 320436, 373842, 438858, 469476, 480654, 560763, 720981, 747684, 877716, 961308, 1121526, 1441962, 1682289, 2243052, 2883924, 3364578, 5046867, 6729156, 10093734, 20187468]

約数ペア:

[(1, 20187468), (2, 10093734), (3, 6729156), (4, 5046867), (6, 3364578), (7, 2883924), (9, 2243052), (12, 1682289), (14, 1441962), (18, 1121526), (21, 961308), (23, 877716), (27, 747684), (28, 720981), (36, 560763), (42, 480654), (43, 469476), (46, 438858), (54, 373842), (63, 320436), (69, 292572), (81, 249228), (84, 240327), (86, 234738), (92, 219429), (108, 186921), (126, 160218), (129, 156492), (138, 146286), (161, 125388), (162, 124614), (172, 117369), (189, 106812), (207, 97524), (243, 83076), (252, 80109), (258, 78246), (276, 73143), (301, 67068), (322, 62694), (324, 62307), (378, 53406), (387, 52164), (414, 48762), (483, 41796), (486, 41538), (516, 39123), (567, 35604), (602, 33534), (621, 32508), (644, 31347), (729, 27692), (756, 26703), (774, 26082), (828, 24381), (903, 22356), (966, 20898), (972, 20769), (989, 20412), (1134, 17802), (1161, 17388), (1204, 16767), (1242, 16254), (1449, 13932), (1458, 13846), (1548, 13041), (1701, 11868), (1806, 11178), (1863, 10836), (1932, 10449), (1978, 10206), (2268, 8901), (2322, 8694), (2484, 8127), (2709, 7452), (2898, 6966), (2916, 6923), (2967, 6804), (3402, 5934), (3483, 5796), (3612, 5589), (3726, 5418), (3956, 5103), (4347, 4644)]