20613714

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 47029248

約数和(自身を除く): 26415534

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 71, 83, 106, 142, 159, 166, 213, 249, 318, 426, 498, 583, 781, 913, 1166, 1562, 1749, 1826, 2343, 2739, 3498, 3763, 4399, 4686, 5478, 5893, 7526, 8798, 11289, 11786, 13197, 17679, 22578, 26394, 35358, 41393, 48389, 64823, 82786, 96778, 124179, 129646, 145167, 194469, 248358, 290334, 312329, 388938, 624658, 936987, 1873974, 3435619, 6871238, 10306857, 20613714]

約数ペア:

[(1, 20613714), (2, 10306857), (3, 6871238), (6, 3435619), (11, 1873974), (22, 936987), (33, 624658), (53, 388938), (66, 312329), (71, 290334), (83, 248358), (106, 194469), (142, 145167), (159, 129646), (166, 124179), (213, 96778), (249, 82786), (318, 64823), (426, 48389), (498, 41393), (583, 35358), (781, 26394), (913, 22578), (1166, 17679), (1562, 13197), (1749, 11786), (1826, 11289), (2343, 8798), (2739, 7526), (3498, 5893), (3763, 5478), (4399, 4686)]