20308376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2593}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 42022800

約数和(自身を除く): 21714424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2593, 3916, 5186, 7832, 10372, 20744, 28523, 57046, 114092, 228184, 230777, 461554, 923108, 1846216, 2538547, 5077094, 10154188, 20308376]

約数ペア:

[(1, 20308376), (2, 10154188), (4, 5077094), (8, 2538547), (11, 1846216), (22, 923108), (44, 461554), (88, 230777), (89, 228184), (178, 114092), (356, 57046), (712, 28523), (979, 20744), (1958, 10372), (2593, 7832), (3916, 5186)]