20790787550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{53939}}^1$

素因数の和:54557

約数の個数: 48

約数和(自身を含む): 41716548720

約数和(自身を除く): 20925761170

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 593, 650, 1186, 2965, 5930, 7709, 14825, 15418, 29650, 38545, 53939, 77090, 107878, 192725, 269695, 385450, 539390, 701207, 1348475, 1402414, 2696950, 3506035, 7012070, 17530175, 31985827, 35060350, 63971654, 159929135, 319858270, 415815751, 799645675, 831631502, 1599291350, 2079078755, 4158157510, 10395393775, 20790787550]

約数ペア:

[(1, 20790787550), (2, 10395393775), (5, 4158157510), (10, 2079078755), (13, 1599291350), (25, 831631502), (26, 799645675), (50, 415815751), (65, 319858270), (130, 159929135), (325, 63971654), (593, 35060350), (650, 31985827), (1186, 17530175), (2965, 7012070), (5930, 3506035), (7709, 2696950), (14825, 1402414), (15418, 1348475), (29650, 701207), (38545, 539390), (53939, 385450), (77090, 269695), (107878, 192725)]