20897568

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 65288160

約数和(自身を除く): 44390592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 67, 72, 76, 96, 108, 114, 134, 144, 152, 171, 201, 216, 228, 268, 288, 304, 342, 361, 402, 432, 456, 513, 536, 603, 608, 684, 722, 804, 864, 912, 1026, 1072, 1083, 1206, 1273, 1368, 1444, 1608, 1809, 1824, 2052, 2144, 2166, 2412, 2546, 2736, 2888, 3216, 3249, 3618, 3819, 4104, 4332, 4824, 5092, 5472, 5776, 6432, 6498, 7236, 7638, 8208, 8664, 9648, 9747, 10184, 11457, 11552, 12996, 14472, 15276, 16416, 17328, 19296, 19494, 20368, 22914, 24187, 25992, 28944, 30552, 34371, 34656, 38988, 40736, 45828, 48374, 51984, 57888, 61104, 68742, 72561, 77976, 91656, 96748, 103968, 122208, 137484, 145122, 155952, 183312, 193496, 217683, 274968, 290244, 311904, 366624, 386992, 435366, 549936, 580488, 653049, 773984, 870732, 1099872, 1160976, 1306098, 1741464, 2321952, 2612196, 3482928, 5224392, 6965856, 10448784, 20897568]

約数ペア:

[(1, 20897568), (2, 10448784), (3, 6965856), (4, 5224392), (6, 3482928), (8, 2612196), (9, 2321952), (12, 1741464), (16, 1306098), (18, 1160976), (19, 1099872), (24, 870732), (27, 773984), (32, 653049), (36, 580488), (38, 549936), (48, 435366), (54, 386992), (57, 366624), (67, 311904), (72, 290244), (76, 274968), (96, 217683), (108, 193496), (114, 183312), (134, 155952), (144, 145122), (152, 137484), (171, 122208), (201, 103968), (216, 96748), (228, 91656), (268, 77976), (288, 72561), (304, 68742), (342, 61104), (361, 57888), (402, 51984), (432, 48374), (456, 45828), (513, 40736), (536, 38988), (603, 34656), (608, 34371), (684, 30552), (722, 28944), (804, 25992), (864, 24187), (912, 22914), (1026, 20368), (1072, 19494), (1083, 19296), (1206, 17328), (1273, 16416), (1368, 15276), (1444, 14472), (1608, 12996), (1809, 11552), (1824, 11457), (2052, 10184), (2144, 9747), (2166, 9648), (2412, 8664), (2546, 8208), (2736, 7638), (2888, 7236), (3216, 6498), (3249, 6432), (3618, 5776), (3819, 5472), (4104, 5092), (4332, 4824)]