20218673618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 192

約数和(自身を含む): 40071905280

約数和(自身を除く): 19853231662

約数列:

[1, 2, 11, 13, 22, 23, 26, 29, 31, 46, 58, 62, 143, 169, 253, 263, 286, 299, 319, 338, 341, 377, 403, 506, 526, 598, 638, 667, 682, 713, 754, 806, 899, 1334, 1426, 1798, 1859, 2893, 3289, 3419, 3718, 3887, 4147, 4433, 4901, 5239, 5786, 6049, 6578, 6838, 7337, 7627, 7774, 7843, 8153, 8294, 8671, 8866, 9269, 9802, 9889, 10478, 11687, 12098, 14674, 15254, 15686, 16306, 17342, 18538, 19778, 20677, 23374, 37609, 41354, 42757, 44447, 53911, 57629, 66539, 75218, 78637, 83897, 85514, 88894, 89683, 95381, 99151, 101959, 105989, 107822, 112723, 115258, 120497, 128557, 133078, 151931, 157274, 167794, 175421, 179366, 187519, 190762, 198302, 203918, 211978, 225446, 227447, 236437, 240994, 257114, 268801, 303862, 350842, 375038, 454894, 472874, 488917, 537602, 865007, 977834, 1022281, 1090661, 1165879, 1239953, 1288963, 1325467, 1377857, 1671241, 1730014, 1929631, 2044562, 2062709, 2181322, 2280473, 2331758, 2437747, 2479906, 2577926, 2600807, 2650934, 2755714, 2956811, 3073681, 3342482, 3494413, 3859262, 4125418, 4560946, 4875494, 5201614, 5438051, 5913622, 6147362, 6988826, 10876102, 11245091, 14178593, 15156427, 22490182, 25085203, 26815217, 28357186, 29646149, 30312854, 31690711, 33810491, 38438543, 39957853, 50170406, 53630434, 59292298, 59818561, 63381422, 67620982, 70694663, 76877086, 79915706, 119637122, 141389326, 326107639, 348597821, 439536383, 652215278, 697195642, 777641293, 879072766, 919030619, 1555282586, 1838061238, 10109336809, 20218673618]

約数ペア:

[(1, 20218673618), (2, 10109336809), (11, 1838061238), (13, 1555282586), (22, 919030619), (23, 879072766), (26, 777641293), (29, 697195642), (31, 652215278), (46, 439536383), (58, 348597821), (62, 326107639), (143, 141389326), (169, 119637122), (253, 79915706), (263, 76877086), (286, 70694663), (299, 67620982), (319, 63381422), (338, 59818561), (341, 59292298), (377, 53630434), (403, 50170406), (506, 39957853), (526, 38438543), (598, 33810491), (638, 31690711), (667, 30312854), (682, 29646149), (713, 28357186), (754, 26815217), (806, 25085203), (899, 22490182), (1334, 15156427), (1426, 14178593), (1798, 11245091), (1859, 10876102), (2893, 6988826), (3289, 6147362), (3419, 5913622), (3718, 5438051), (3887, 5201614), (4147, 4875494), (4433, 4560946), (4901, 4125418), (5239, 3859262), (5786, 3494413), (6049, 3342482), (6578, 3073681), (6838, 2956811), (7337, 2755714), (7627, 2650934), (7774, 2600807), (7843, 2577926), (8153, 2479906), (8294, 2437747), (8671, 2331758), (8866, 2280473), (9269, 2181322), (9802, 2062709), (9889, 2044562), (10478, 1929631), (11687, 1730014), (12098, 1671241), (14674, 1377857), (15254, 1325467), (15686, 1288963), (16306, 1239953), (17342, 1165879), (18538, 1090661), (19778, 1022281), (20677, 977834), (23374, 865007), (37609, 537602), (41354, 488917), (42757, 472874), (44447, 454894), (53911, 375038), (57629, 350842), (66539, 303862), (75218, 268801), (78637, 257114), (83897, 240994), (85514, 236437), (88894, 227447), (89683, 225446), (95381, 211978), (99151, 203918), (101959, 198302), (105989, 190762), (107822, 187519), (112723, 179366), (115258, 175421), (120497, 167794), (128557, 157274), (133078, 151931)]