20512894568

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{7457}}^1$

素因数の和:7730

約数の個数: 64

約数和(自身を含む): 40595385600

約数和(自身を除く): 20082491032

約数列:

[1, 2, 4, 8, 29, 58, 71, 116, 142, 167, 232, 284, 334, 568, 668, 1336, 2059, 4118, 4843, 7457, 8236, 9686, 11857, 14914, 16472, 19372, 23714, 29828, 38744, 47428, 59656, 94856, 216253, 343853, 432506, 529447, 687706, 865012, 1058894, 1245319, 1375412, 1730024, 2117788, 2490638, 2750824, 4235576, 4981276, 9962552, 15353963, 30707926, 36114251, 61415852, 72228502, 88417649, 122831704, 144457004, 176835298, 288914008, 353670596, 707341192, 2564111821, 5128223642, 10256447284, 20512894568]

約数ペア:

[(1, 20512894568), (2, 10256447284), (4, 5128223642), (8, 2564111821), (29, 707341192), (58, 353670596), (71, 288914008), (116, 176835298), (142, 144457004), (167, 122831704), (232, 88417649), (284, 72228502), (334, 61415852), (568, 36114251), (668, 30707926), (1336, 15353963), (2059, 9962552), (4118, 4981276), (4843, 4235576), (7457, 2750824), (8236, 2490638), (9686, 2117788), (11857, 1730024), (14914, 1375412), (16472, 1245319), (19372, 1058894), (23714, 865012), (29828, 687706), (38744, 529447), (47428, 432506), (59656, 343853), (94856, 216253)]