20288752

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6781}}^1$

素因数の和:6817

約数の個数: 40

約数和(自身を含む): 45412272

約数和(自身を除く): 25123520

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6781, 13562, 27124, 54248, 74591, 108496, 115277, 149182, 230554, 298364, 461108, 596728, 922216, 1193456, 1268047, 1844432, 2536094, 5072188, 10144376, 20288752]

約数ペア:

[(1, 20288752), (2, 10144376), (4, 5072188), (8, 2536094), (11, 1844432), (16, 1268047), (17, 1193456), (22, 922216), (34, 596728), (44, 461108), (68, 298364), (88, 230554), (136, 149182), (176, 115277), (187, 108496), (272, 74591), (374, 54248), (748, 27124), (1496, 13562), (2992, 6781)]