20708556

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 37352244

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 23, 33, 38, 44, 46, 57, 66, 69, 76, 92, 114, 132, 138, 209, 228, 253, 276, 359, 418, 437, 506, 627, 718, 759, 836, 874, 1012, 1077, 1254, 1311, 1436, 1518, 1748, 2154, 2508, 2622, 3036, 3949, 4308, 4807, 5244, 6821, 7898, 8257, 9614, 11847, 13642, 14421, 15796, 16514, 19228, 20463, 23694, 24771, 27284, 28842, 33028, 40926, 47388, 49542, 57684, 75031, 81852, 90827, 99084, 150062, 156883, 181654, 225093, 272481, 300124, 313766, 363308, 450186, 470649, 544962, 627532, 900372, 941298, 1089924, 1725713, 1882596, 3451426, 5177139, 6902852, 10354278, 20708556]

約数ペア:

[(1, 20708556), (2, 10354278), (3, 6902852), (4, 5177139), (6, 3451426), (11, 1882596), (12, 1725713), (19, 1089924), (22, 941298), (23, 900372), (33, 627532), (38, 544962), (44, 470649), (46, 450186), (57, 363308), (66, 313766), (69, 300124), (76, 272481), (92, 225093), (114, 181654), (132, 156883), (138, 150062), (209, 99084), (228, 90827), (253, 81852), (276, 75031), (359, 57684), (418, 49542), (437, 47388), (506, 40926), (627, 33028), (718, 28842), (759, 27284), (836, 24771), (874, 23694), (1012, 20463), (1077, 19228), (1254, 16514), (1311, 15796), (1436, 14421), (1518, 13642), (1748, 11847), (2154, 9614), (2508, 8257), (2622, 7898), (3036, 6821), (3949, 5244), (4308, 4807)]