20169824913

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{577}}^1$

素因数の和:991

約数の個数: 96

約数和(自身を含む): 35732496384

約数和(自身を除く): 15562671471

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 127, 153, 257, 357, 381, 577, 771, 889, 1071, 1143, 1731, 1799, 2159, 2313, 2667, 4039, 4369, 5193, 5397, 6477, 8001, 9809, 12117, 13107, 15113, 16191, 19431, 29427, 30583, 32639, 36351, 39321, 45339, 68663, 73279, 88281, 91749, 97917, 136017, 148289, 205989, 219837, 228473, 275247, 293751, 444867, 512953, 554863, 617967, 659511, 685419, 1038023, 1245743, 1334601, 1538859, 1664589, 2056257, 2520913, 3114069, 3737229, 3884041, 4616577, 4993767, 7562739, 8720201, 9342207, 11211687, 11652123, 17646391, 18832703, 22688217, 26160603, 34956369, 52939173, 56498109, 78481809, 131828921, 158817519, 169494327, 320155951, 395486763, 960467853, 1186460289, 2241091657, 2881403559, 6723274971, 20169824913]

約数ペア:

[(1, 20169824913), (3, 6723274971), (7, 2881403559), (9, 2241091657), (17, 1186460289), (21, 960467853), (51, 395486763), (63, 320155951), (119, 169494327), (127, 158817519), (153, 131828921), (257, 78481809), (357, 56498109), (381, 52939173), (577, 34956369), (771, 26160603), (889, 22688217), (1071, 18832703), (1143, 17646391), (1731, 11652123), (1799, 11211687), (2159, 9342207), (2313, 8720201), (2667, 7562739), (4039, 4993767), (4369, 4616577), (5193, 3884041), (5397, 3737229), (6477, 3114069), (8001, 2520913), (9809, 2056257), (12117, 1664589), (13107, 1538859), (15113, 1334601), (16191, 1245743), (19431, 1038023), (29427, 685419), (30583, 659511), (32639, 617967), (36351, 554863), (39321, 512953), (45339, 444867), (68663, 293751), (73279, 275247), (88281, 228473), (91749, 219837), (97917, 205989), (136017, 148289)]