20239427871

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1\times {\mathrm{2659}}^1$

素因数の和:3716

約数の個数: 48

約数和(自身を含む): 31998395520

約数和(自身を除く): 11758967649

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 971, 2613, 2659, 2913, 7839, 7977, 8739, 12623, 23931, 34567, 37869, 65057, 103701, 113607, 178153, 195171, 311103, 534459, 585513, 845741, 1603377, 2315989, 2537223, 2581889, 6947967, 7611669, 7745667, 20843901, 23237001, 33564557, 100693671, 172986563, 302081013, 518959689, 1556879067, 2248825319, 6746475957, 20239427871]

約数ペア:

[(1, 20239427871), (3, 6746475957), (9, 2248825319), (13, 1556879067), (39, 518959689), (67, 302081013), (117, 172986563), (201, 100693671), (603, 33564557), (871, 23237001), (971, 20843901), (2613, 7745667), (2659, 7611669), (2913, 6947967), (7839, 2581889), (7977, 2537223), (8739, 2315989), (12623, 1603377), (23931, 845741), (34567, 585513), (37869, 534459), (65057, 311103), (103701, 195171), (113607, 178153)]