20149086545

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{4637}}^1$

素因数の和:4842

約数の個数: 64

約数和(自身を含む): 29974095360

約数和(自身を除く): 9825008815

約数列:

[1, 5, 7, 17, 35, 67, 85, 109, 119, 335, 469, 545, 595, 763, 1139, 1853, 2345, 3815, 4637, 5695, 7303, 7973, 9265, 12971, 23185, 32459, 36515, 39865, 51121, 64855, 78829, 124151, 162295, 255605, 310679, 394145, 505433, 551803, 620755, 869057, 1553395, 2174753, 2527165, 2759015, 3538031, 4345285, 5281543, 8592361, 10873765, 17690155, 26407715, 33864011, 36970801, 42961805, 60146527, 169320055, 184854005, 237048077, 300732635, 575688187, 1185240385, 2878440935, 4029817309, 20149086545]

約数ペア:

[(1, 20149086545), (5, 4029817309), (7, 2878440935), (17, 1185240385), (35, 575688187), (67, 300732635), (85, 237048077), (109, 184854005), (119, 169320055), (335, 60146527), (469, 42961805), (545, 36970801), (595, 33864011), (763, 26407715), (1139, 17690155), (1853, 10873765), (2345, 8592361), (3815, 5281543), (4637, 4345285), (5695, 3538031), (7303, 2759015), (7973, 2527165), (9265, 2174753), (12971, 1553395), (23185, 869057), (32459, 620755), (36515, 551803), (39865, 505433), (51121, 394145), (64855, 310679), (78829, 255605), (124151, 162295)]