20184764187

素因数分解:

$3^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{379}}^1\times {\mathrm{709}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 31944320000

約数和(自身を除く): 11759555813

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 343, 379, 511, 709, 1029, 1137, 1533, 2127, 2653, 3577, 4963, 7959, 10731, 14889, 18571, 25039, 27667, 34741, 51757, 55713, 75117, 83001, 104223, 129997, 155271, 193669, 243187, 268711, 362299, 389991, 581007, 729561, 806133, 1086897, 1355683, 1880977, 2536093, 4067049, 5642931, 7608279, 9489781, 13166839, 17752651, 19615903, 28469343, 39500517, 53257953, 58847709, 92167873, 137311321, 276503619, 411933963, 961179247, 2883537741, 6728254729, 20184764187]

約数ペア:

[(1, 20184764187), (3, 6728254729), (7, 2883537741), (21, 961179247), (49, 411933963), (73, 276503619), (147, 137311321), (219, 92167873), (343, 58847709), (379, 53257953), (511, 39500517), (709, 28469343), (1029, 19615903), (1137, 17752651), (1533, 13166839), (2127, 9489781), (2653, 7608279), (3577, 5642931), (4963, 4067049), (7959, 2536093), (10731, 1880977), (14889, 1355683), (18571, 1086897), (25039, 806133), (27667, 729561), (34741, 581007), (51757, 389991), (55713, 362299), (75117, 268711), (83001, 243187), (104223, 193669), (129997, 155271)]