20123892477

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{2683}}^1$

素因数の和:3144

約数の個数: 80

約数和(自身を含む): 34373021760

約数和(自身を除く): 14249129283

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 419, 459, 663, 1053, 1257, 1377, 1989, 2683, 3771, 5447, 5967, 7123, 8049, 11313, 16341, 17901, 21369, 24147, 33939, 34879, 45611, 49023, 64107, 72441, 92599, 104637, 136833, 147069, 192321, 217323, 277797, 313911, 410499, 441207, 576963, 592943, 833391, 941733, 1124177, 1231497, 1778829, 2500173, 2825199, 3372531, 3694491, 5336487, 7500519, 10117593, 14614301, 16009461, 19111009, 30352779, 43842903, 48028383, 57333027, 91058337, 131528709, 171999081, 248443117, 394586127, 515997243, 745329351, 1183758381, 1547991729, 2235988053, 6707964159, 20123892477]

約数ペア:

[(1, 20123892477), (3, 6707964159), (9, 2235988053), (13, 1547991729), (17, 1183758381), (27, 745329351), (39, 515997243), (51, 394586127), (81, 248443117), (117, 171999081), (153, 131528709), (221, 91058337), (351, 57333027), (419, 48028383), (459, 43842903), (663, 30352779), (1053, 19111009), (1257, 16009461), (1377, 14614301), (1989, 10117593), (2683, 7500519), (3771, 5336487), (5447, 3694491), (5967, 3372531), (7123, 2825199), (8049, 2500173), (11313, 1778829), (16341, 1231497), (17901, 1124177), (21369, 941733), (24147, 833391), (33939, 592943), (34879, 576963), (45611, 441207), (49023, 410499), (64107, 313911), (72441, 277797), (92599, 217323), (104637, 192321), (136833, 147069)]