20996870436

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{3931}}^1$

素因数の和:4119

約数の個数: 144

約数和(自身を含む): 57886274880

約数和(自身を除く): 36889404444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 137, 171, 228, 274, 342, 361, 411, 513, 548, 684, 722, 822, 1026, 1083, 1233, 1444, 1644, 2052, 2166, 2466, 2603, 3249, 3699, 3931, 4332, 4932, 5206, 6498, 7398, 7809, 7862, 9747, 10412, 11793, 12996, 14796, 15618, 15724, 19494, 23427, 23586, 31236, 35379, 38988, 46854, 47172, 49457, 70281, 70758, 74689, 93708, 98914, 106137, 140562, 141516, 148371, 149378, 197828, 212274, 224067, 281124, 296742, 298756, 424548, 445113, 448134, 538547, 593484, 672201, 890226, 896268, 1077094, 1335339, 1344402, 1419091, 1615641, 1780452, 2016603, 2154188, 2670678, 2688804, 2838182, 3231282, 4033206, 4257273, 4846923, 5341356, 5676364, 6462564, 8066412, 8514546, 9693846, 10232393, 12771819, 14540769, 17029092, 19387692, 20464786, 25543638, 29081538, 30697179, 38315457, 40929572, 51087276, 58163076, 61394358, 76630914, 92091537, 122788716, 153261828, 184183074, 194415467, 276274611, 368366148, 388830934, 552549222, 583246401, 777661868, 1105098444, 1166492802, 1749739203, 2332985604, 3499478406, 5249217609, 6998956812, 10498435218, 20996870436]

約数ペア:

[(1, 20996870436), (2, 10498435218), (3, 6998956812), (4, 5249217609), (6, 3499478406), (9, 2332985604), (12, 1749739203), (18, 1166492802), (19, 1105098444), (27, 777661868), (36, 583246401), (38, 552549222), (54, 388830934), (57, 368366148), (76, 276274611), (108, 194415467), (114, 184183074), (137, 153261828), (171, 122788716), (228, 92091537), (274, 76630914), (342, 61394358), (361, 58163076), (411, 51087276), (513, 40929572), (548, 38315457), (684, 30697179), (722, 29081538), (822, 25543638), (1026, 20464786), (1083, 19387692), (1233, 17029092), (1444, 14540769), (1644, 12771819), (2052, 10232393), (2166, 9693846), (2466, 8514546), (2603, 8066412), (3249, 6462564), (3699, 5676364), (3931, 5341356), (4332, 4846923), (4932, 4257273), (5206, 4033206), (6498, 3231282), (7398, 2838182), (7809, 2688804), (7862, 2670678), (9747, 2154188), (10412, 2016603), (11793, 1780452), (12996, 1615641), (14796, 1419091), (15618, 1344402), (15724, 1335339), (19494, 1077094), (23427, 896268), (23586, 890226), (31236, 672201), (35379, 593484), (38988, 538547), (46854, 448134), (47172, 445113), (49457, 424548), (70281, 298756), (70758, 296742), (74689, 281124), (93708, 224067), (98914, 212274), (106137, 197828), (140562, 149378), (141516, 148371)]