20766871216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2633}}^1\times {\mathrm{5417}}^1$

素因数の和:8078

約数の個数: 80

約数和(自身を含む): 49548953664

約数和(自身を除く): 28782082448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 2633, 5266, 5417, 10532, 10834, 18431, 21064, 21668, 34229, 36862, 37919, 42128, 43336, 68458, 70421, 73724, 75838, 86672, 136916, 140842, 147448, 151676, 239603, 273832, 281684, 294896, 303352, 479206, 492947, 547664, 563368, 606704, 958412, 985894, 1126736, 1916824, 1971788, 3833648, 3943576, 7887152, 14262961, 28525922, 57051844, 99840727, 114103688, 185418493, 199681454, 228207376, 370836986, 399362908, 741673972, 798725816, 1297929451, 1483347944, 1597451632, 2595858902, 2966695888, 5191717804, 10383435608, 20766871216]

約数ペア:

[(1, 20766871216), (2, 10383435608), (4, 5191717804), (7, 2966695888), (8, 2595858902), (13, 1597451632), (14, 1483347944), (16, 1297929451), (26, 798725816), (28, 741673972), (52, 399362908), (56, 370836986), (91, 228207376), (104, 199681454), (112, 185418493), (182, 114103688), (208, 99840727), (364, 57051844), (728, 28525922), (1456, 14262961), (2633, 7887152), (5266, 3943576), (5417, 3833648), (10532, 1971788), (10834, 1916824), (18431, 1126736), (21064, 985894), (21668, 958412), (34229, 606704), (36862, 563368), (37919, 547664), (42128, 492947), (43336, 479206), (68458, 303352), (70421, 294896), (73724, 281684), (75838, 273832), (86672, 239603), (136916, 151676), (140842, 147448)]