20806177026

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1\times {\mathrm{881}}^1$

素因数の和:1551

約数の個数: 64

約数和(自身を含む): 42918543360

約数和(自身を除く): 22112366334

約数列:

[1, 2, 3, 6, 43, 86, 129, 239, 258, 383, 478, 717, 766, 881, 1149, 1434, 1762, 2298, 2643, 5286, 10277, 16469, 20554, 30831, 32938, 37883, 49407, 61662, 75766, 91537, 98814, 113649, 183074, 210559, 227298, 274611, 337423, 421118, 549222, 631677, 674846, 1012269, 1263354, 2024538, 3936091, 7872182, 9054037, 11808273, 14509189, 18108074, 23616546, 27162111, 29018378, 43527567, 54324222, 80644097, 87055134, 161288194, 241932291, 483864582, 3467696171, 6935392342, 10403088513, 20806177026]

約数ペア:

[(1, 20806177026), (2, 10403088513), (3, 6935392342), (6, 3467696171), (43, 483864582), (86, 241932291), (129, 161288194), (239, 87055134), (258, 80644097), (383, 54324222), (478, 43527567), (717, 29018378), (766, 27162111), (881, 23616546), (1149, 18108074), (1434, 14509189), (1762, 11808273), (2298, 9054037), (2643, 7872182), (5286, 3936091), (10277, 2024538), (16469, 1263354), (20554, 1012269), (30831, 674846), (32938, 631677), (37883, 549222), (49407, 421118), (61662, 337423), (75766, 274611), (91537, 227298), (98814, 210559), (113649, 183074)]