16720184

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 34587000

約数和(自身を除く): 17866816

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 149, 166, 169, 298, 332, 338, 596, 664, 676, 1079, 1192, 1352, 1937, 2158, 3874, 4316, 7748, 8632, 12367, 14027, 15496, 24734, 25181, 28054, 49468, 50362, 56108, 98936, 100724, 112216, 160771, 201448, 321542, 643084, 1286168, 2090023, 4180046, 8360092, 16720184]

約数ペア:

[(1, 16720184), (2, 8360092), (4, 4180046), (8, 2090023), (13, 1286168), (26, 643084), (52, 321542), (83, 201448), (104, 160771), (149, 112216), (166, 100724), (169, 98936), (298, 56108), (332, 50362), (338, 49468), (596, 28054), (664, 25181), (676, 24734), (1079, 15496), (1192, 14027), (1352, 12367), (1937, 8632), (2158, 7748), (3874, 4316)]