20177876589

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 30981823488

約数和(自身を除く): 10803946899

約数列:

[1, 3, 13, 17, 39, 51, 221, 241, 293, 431, 663, 723, 879, 1293, 3133, 3809, 4097, 4981, 5603, 7327, 9399, 11427, 12291, 14943, 16809, 21981, 53261, 64753, 70613, 95251, 103871, 126283, 159783, 194259, 211839, 285753, 311613, 378849, 917969, 1200421, 1350323, 1641679, 1765807, 2146811, 2753907, 3601263, 4050969, 4925037, 5297421, 6440433, 15605473, 22955491, 27908543, 30434203, 46816419, 68866473, 83725629, 91302609, 395644639, 517381451, 1186933917, 1552144353, 6725958863, 20177876589]

約数ペア:

[(1, 20177876589), (3, 6725958863), (13, 1552144353), (17, 1186933917), (39, 517381451), (51, 395644639), (221, 91302609), (241, 83725629), (293, 68866473), (431, 46816419), (663, 30434203), (723, 27908543), (879, 22955491), (1293, 15605473), (3133, 6440433), (3809, 5297421), (4097, 4925037), (4981, 4050969), (5603, 3601263), (7327, 2753907), (9399, 2146811), (11427, 1765807), (12291, 1641679), (14943, 1350323), (16809, 1200421), (21981, 917969), (53261, 378849), (64753, 311613), (70613, 285753), (95251, 211839), (103871, 194259), (126283, 159783)]