20156883304

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1\times {\mathrm{821}}^1$

素因数の和:1498

約数の個数: 64

約数和(自身を含む): 39061440000

約数和(自身を除く): 18904556696

約数列:

[1, 2, 4, 8, 43, 86, 149, 172, 298, 344, 479, 596, 821, 958, 1192, 1642, 1916, 3284, 3832, 6407, 6568, 12814, 20597, 25628, 35303, 41194, 51256, 70606, 71371, 82388, 122329, 141212, 142742, 164776, 244658, 282424, 285484, 393259, 489316, 570968, 786518, 978632, 1573036, 3068953, 3146072, 5260147, 6137906, 10520294, 12275812, 16910137, 21040588, 24551624, 33820274, 42081176, 58595591, 67640548, 117191182, 135281096, 234382364, 468764728, 2519610413, 5039220826, 10078441652, 20156883304]

約数ペア:

[(1, 20156883304), (2, 10078441652), (4, 5039220826), (8, 2519610413), (43, 468764728), (86, 234382364), (149, 135281096), (172, 117191182), (298, 67640548), (344, 58595591), (479, 42081176), (596, 33820274), (821, 24551624), (958, 21040588), (1192, 16910137), (1642, 12275812), (1916, 10520294), (3284, 6137906), (3832, 5260147), (6407, 3146072), (6568, 3068953), (12814, 1573036), (20597, 978632), (25628, 786518), (35303, 570968), (41194, 489316), (51256, 393259), (70606, 285484), (71371, 282424), (82388, 244658), (122329, 164776), (141212, 142742)]