20348621016

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1\times {\mathrm{18457}}^1$

素因数の和:19184

約数の個数: 64

約数和(自身を含む): 51670586880

約数和(自身を除く): 31321965864

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 647, 852, 1294, 1704, 1941, 2588, 3882, 5176, 7764, 15528, 18457, 36914, 45937, 55371, 73828, 91874, 110742, 137811, 147656, 183748, 221484, 275622, 367496, 442968, 551244, 1102488, 1310447, 2620894, 3931341, 5241788, 7862682, 10483576, 11941679, 15725364, 23883358, 31450728, 35825037, 47766716, 71650074, 95533432, 143300148, 286600296, 847859209, 1695718418, 2543577627, 3391436836, 5087155254, 6782873672, 10174310508, 20348621016]

約数ペア:

[(1, 20348621016), (2, 10174310508), (3, 6782873672), (4, 5087155254), (6, 3391436836), (8, 2543577627), (12, 1695718418), (24, 847859209), (71, 286600296), (142, 143300148), (213, 95533432), (284, 71650074), (426, 47766716), (568, 35825037), (647, 31450728), (852, 23883358), (1294, 15725364), (1704, 11941679), (1941, 10483576), (2588, 7862682), (3882, 5241788), (5176, 3931341), (7764, 2620894), (15528, 1310447), (18457, 1102488), (36914, 551244), (45937, 442968), (55371, 367496), (73828, 275622), (91874, 221484), (110742, 183748), (137811, 147656)]