20915903736

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{245561}}^1$

素因数の和:245606

約数の個数: 144

約数和(自身を含む): 70103039760

約数和(自身を除く): 49187136024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 169, 182, 234, 252, 273, 312, 338, 364, 468, 504, 507, 546, 676, 728, 819, 936, 1014, 1092, 1183, 1352, 1521, 1638, 2028, 2184, 2366, 3042, 3276, 3549, 4056, 4732, 6084, 6552, 7098, 9464, 10647, 12168, 14196, 21294, 28392, 42588, 85176, 245561, 491122, 736683, 982244, 1473366, 1718927, 1964488, 2210049, 2946732, 3192293, 3437854, 4420098, 5156781, 5893464, 6384586, 6875708, 8840196, 9576879, 10313562, 12769172, 13751416, 15470343, 17680392, 19153758, 20627124, 22346051, 25538344, 28730637, 30940686, 38307516, 41254248, 41499809, 44692102, 57461274, 61881372, 67038153, 76615032, 82999618, 89384204, 114922548, 123762744, 124499427, 134076306, 165999236, 178768408, 201114459, 229845096, 248998854, 268152612, 290498663, 331998472, 373498281, 402228918, 497997708, 536305224, 580997326, 746996562, 804457836, 871495989, 995995416, 1161994652, 1493993124, 1608915672, 1742991978, 2323989304, 2614487967, 2987986248, 3485983956, 5228975934, 6971967912, 10457951868, 20915903736]

約数ペア:

[(1, 20915903736), (2, 10457951868), (3, 6971967912), (4, 5228975934), (6, 3485983956), (7, 2987986248), (8, 2614487967), (9, 2323989304), (12, 1742991978), (13, 1608915672), (14, 1493993124), (18, 1161994652), (21, 995995416), (24, 871495989), (26, 804457836), (28, 746996562), (36, 580997326), (39, 536305224), (42, 497997708), (52, 402228918), (56, 373498281), (63, 331998472), (72, 290498663), (78, 268152612), (84, 248998854), (91, 229845096), (104, 201114459), (117, 178768408), (126, 165999236), (156, 134076306), (168, 124499427), (169, 123762744), (182, 114922548), (234, 89384204), (252, 82999618), (273, 76615032), (312, 67038153), (338, 61881372), (364, 57461274), (468, 44692102), (504, 41499809), (507, 41254248), (546, 38307516), (676, 30940686), (728, 28730637), (819, 25538344), (936, 22346051), (1014, 20627124), (1092, 19153758), (1183, 17680392), (1352, 15470343), (1521, 13751416), (1638, 12769172), (2028, 10313562), (2184, 9576879), (2366, 8840196), (3042, 6875708), (3276, 6384586), (3549, 5893464), (4056, 5156781), (4732, 4420098), (6084, 3437854), (6552, 3192293), (7098, 2946732), (9464, 2210049), (10647, 1964488), (12168, 1718927), (14196, 1473366), (21294, 982244), (28392, 736683), (42588, 491122), (85176, 245561)]