20404779525

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{16729}}^1$

素因数の和:16900

約数の個数: 96

約数和(自身を含む): 40660592000

約数和(自身を除く): 20255812475

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 139, 195, 225, 325, 351, 417, 585, 675, 695, 975, 1251, 1755, 1807, 2085, 2925, 3475, 3753, 5421, 6255, 8775, 9035, 10425, 16263, 16729, 18765, 27105, 31275, 45175, 48789, 50187, 81315, 83645, 93825, 135525, 150561, 217477, 243945, 250935, 406575, 418225, 451683, 652431, 752805, 1087385, 1219725, 1254675, 1957293, 2258415, 2325331, 3262155, 3764025, 5436925, 5871879, 6975993, 9786465, 11292075, 11626655, 16310775, 20927979, 29359395, 30229303, 34879965, 48932325, 58133275, 62783937, 90687909, 104639895, 146796975, 151146515, 174399825, 272063727, 313919685, 453439545, 523199475, 755732575, 816191181, 1360318635, 1569598425, 2267197725, 4080955905, 6801593175, 20404779525]

約数ペア:

[(1, 20404779525), (3, 6801593175), (5, 4080955905), (9, 2267197725), (13, 1569598425), (15, 1360318635), (25, 816191181), (27, 755732575), (39, 523199475), (45, 453439545), (65, 313919685), (75, 272063727), (117, 174399825), (135, 151146515), (139, 146796975), (195, 104639895), (225, 90687909), (325, 62783937), (351, 58133275), (417, 48932325), (585, 34879965), (675, 30229303), (695, 29359395), (975, 20927979), (1251, 16310775), (1755, 11626655), (1807, 11292075), (2085, 9786465), (2925, 6975993), (3475, 5871879), (3753, 5436925), (5421, 3764025), (6255, 3262155), (8775, 2325331), (9035, 2258415), (10425, 1957293), (16263, 1254675), (16729, 1219725), (18765, 1087385), (27105, 752805), (31275, 652431), (45175, 451683), (48789, 418225), (50187, 406575), (81315, 250935), (83645, 243945), (93825, 217477), (135525, 150561)]