20456046

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 31435794

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 43, 57, 78, 86, 107, 114, 117, 129, 171, 214, 234, 247, 258, 321, 342, 387, 494, 559, 642, 741, 774, 817, 963, 1118, 1391, 1482, 1634, 1677, 1926, 2033, 2223, 2451, 2782, 3354, 4066, 4173, 4446, 4601, 4902, 5031, 6099, 7353, 8346, 9202, 10062, 10621, 12198, 12519, 13803, 14706, 18297, 21242, 25038, 26429, 27606, 31863, 36594, 41409, 52858, 59813, 63726, 79287, 82818, 87419, 95589, 119626, 158574, 174838, 179439, 191178, 237861, 262257, 358878, 475722, 524514, 538317, 786771, 1076634, 1136447, 1573542, 2272894, 3409341, 6818682, 10228023, 20456046]

約数ペア:

[(1, 20456046), (2, 10228023), (3, 6818682), (6, 3409341), (9, 2272894), (13, 1573542), (18, 1136447), (19, 1076634), (26, 786771), (38, 538317), (39, 524514), (43, 475722), (57, 358878), (78, 262257), (86, 237861), (107, 191178), (114, 179439), (117, 174838), (129, 158574), (171, 119626), (214, 95589), (234, 87419), (247, 82818), (258, 79287), (321, 63726), (342, 59813), (387, 52858), (494, 41409), (559, 36594), (642, 31863), (741, 27606), (774, 26429), (817, 25038), (963, 21242), (1118, 18297), (1391, 14706), (1482, 13803), (1634, 12519), (1677, 12198), (1926, 10621), (2033, 10062), (2223, 9202), (2451, 8346), (2782, 7353), (3354, 6099), (4066, 5031), (4173, 4902), (4446, 4601)]