20858031414

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{2609}}^1$

素因数の和:2987

約数の個数: 128

約数和(自身を含む): 51926054400

約数和(自身を除く): 31068022986

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 86, 99, 129, 198, 258, 297, 313, 387, 473, 594, 626, 774, 939, 946, 1161, 1419, 1878, 2322, 2609, 2817, 2838, 3443, 4257, 5218, 5634, 6886, 7827, 8451, 8514, 10329, 12771, 13459, 15654, 16902, 20658, 23481, 25542, 26918, 28699, 30987, 40377, 46962, 57398, 61974, 70443, 80754, 86097, 92961, 112187, 121131, 140886, 148049, 172194, 185922, 224374, 242262, 258291, 296098, 336561, 363393, 444147, 516582, 673122, 726786, 774873, 816617, 888294, 1009683, 1234057, 1332441, 1549746, 1633234, 2019366, 2449851, 2468114, 2664882, 3029049, 3702171, 3997323, 4899702, 6058098, 7349553, 7404342, 7994646, 8982787, 11106513, 14699106, 17965574, 22048659, 22213026, 26948361, 33319539, 35114531, 44097318, 53896722, 66639078, 70229062, 80845083, 105343593, 161690166, 210687186, 242535249, 316030779, 386259841, 485070498, 632061558, 772519682, 948092337, 1158779523, 1896184674, 2317559046, 3476338569, 6952677138, 10429015707, 20858031414]

約数ペア:

[(1, 20858031414), (2, 10429015707), (3, 6952677138), (6, 3476338569), (9, 2317559046), (11, 1896184674), (18, 1158779523), (22, 948092337), (27, 772519682), (33, 632061558), (43, 485070498), (54, 386259841), (66, 316030779), (86, 242535249), (99, 210687186), (129, 161690166), (198, 105343593), (258, 80845083), (297, 70229062), (313, 66639078), (387, 53896722), (473, 44097318), (594, 35114531), (626, 33319539), (774, 26948361), (939, 22213026), (946, 22048659), (1161, 17965574), (1419, 14699106), (1878, 11106513), (2322, 8982787), (2609, 7994646), (2817, 7404342), (2838, 7349553), (3443, 6058098), (4257, 4899702), (5218, 3997323), (5634, 3702171), (6886, 3029049), (7827, 2664882), (8451, 2468114), (8514, 2449851), (10329, 2019366), (12771, 1633234), (13459, 1549746), (15654, 1332441), (16902, 1234057), (20658, 1009683), (23481, 888294), (25542, 816617), (26918, 774873), (28699, 726786), (30987, 673122), (40377, 516582), (46962, 444147), (57398, 363393), (61974, 336561), (70443, 296098), (80754, 258291), (86097, 242262), (92961, 224374), (112187, 185922), (121131, 172194), (140886, 148049)]