20216647594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{42101}}^1$

素因数の和:42223

約数の個数: 64

約数和(自身を含む): 37685668608

約数和(自身を除く): 17469021014

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 73, 143, 146, 253, 286, 299, 506, 598, 803, 949, 1606, 1679, 1898, 3289, 3358, 6578, 10439, 18469, 20878, 21827, 36938, 42101, 43654, 84202, 240097, 463111, 480194, 547313, 926222, 968323, 1094626, 1936646, 3073373, 6020443, 6146746, 10651553, 12040886, 12588199, 21303106, 25176398, 33807103, 39953849, 67614206, 70687579, 79907698, 138470189, 141375158, 276940378, 439492339, 777563369, 878984678, 918938527, 1555126738, 1837877054, 10108323797, 20216647594]

約数ペア:

[(1, 20216647594), (2, 10108323797), (11, 1837877054), (13, 1555126738), (22, 918938527), (23, 878984678), (26, 777563369), (46, 439492339), (73, 276940378), (143, 141375158), (146, 138470189), (253, 79907698), (286, 70687579), (299, 67614206), (506, 39953849), (598, 33807103), (803, 25176398), (949, 21303106), (1606, 12588199), (1679, 12040886), (1898, 10651553), (3289, 6146746), (3358, 6020443), (6578, 3073373), (10439, 1936646), (18469, 1094626), (20878, 968323), (21827, 926222), (36938, 547313), (42101, 480194), (43654, 463111), (84202, 240097)]