20456077812

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{328897}}^1$

素因数の和:329048

約数の個数: 48

約数和(自身を含む): 49066319232

約数和(自身を除く): 28610241420

約数列:

[1, 2, 3, 4, 6, 12, 71, 73, 142, 146, 213, 219, 284, 292, 426, 438, 852, 876, 5183, 10366, 15549, 20732, 31098, 62196, 328897, 657794, 986691, 1315588, 1973382, 3946764, 23351687, 24009481, 46703374, 48018962, 70055061, 72028443, 93406748, 96037924, 140110122, 144056886, 280220244, 288113772, 1704673151, 3409346302, 5114019453, 6818692604, 10228038906, 20456077812]

約数ペア:

[(1, 20456077812), (2, 10228038906), (3, 6818692604), (4, 5114019453), (6, 3409346302), (12, 1704673151), (71, 288113772), (73, 280220244), (142, 144056886), (146, 140110122), (213, 96037924), (219, 93406748), (284, 72028443), (292, 70055061), (426, 48018962), (438, 46703374), (852, 24009481), (876, 23351687), (5183, 3946764), (10366, 1973382), (15549, 1315588), (20732, 986691), (31098, 657794), (62196, 328897)]