20741994

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 59256288

約数和(自身を除く): 38514294

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 67, 78, 81, 91, 98, 117, 126, 134, 147, 162, 182, 189, 201, 234, 243, 273, 294, 351, 378, 402, 441, 469, 486, 546, 567, 603, 637, 702, 819, 871, 882, 938, 1053, 1134, 1206, 1274, 1323, 1407, 1638, 1701, 1742, 1809, 1911, 2106, 2457, 2613, 2646, 2814, 3159, 3283, 3402, 3618, 3822, 3969, 4221, 4914, 5226, 5427, 5733, 6097, 6318, 6566, 7371, 7839, 7938, 8442, 9849, 10854, 11466, 11907, 12194, 12663, 14742, 15678, 16281, 17199, 18291, 19698, 22113, 23517, 23814, 25326, 29547, 32562, 34398, 36582, 37989, 42679, 44226, 47034, 51597, 54873, 59094, 70551, 75978, 85358, 88641, 103194, 109746, 113967, 128037, 141102, 154791, 164619, 177282, 211653, 227934, 256074, 265923, 309582, 329238, 384111, 423306, 493857, 531846, 768222, 797769, 987714, 1152333, 1481571, 1595538, 2304666, 2963142, 3456999, 6913998, 10370997, 20741994]

約数ペア:

[(1, 20741994), (2, 10370997), (3, 6913998), (6, 3456999), (7, 2963142), (9, 2304666), (13, 1595538), (14, 1481571), (18, 1152333), (21, 987714), (26, 797769), (27, 768222), (39, 531846), (42, 493857), (49, 423306), (54, 384111), (63, 329238), (67, 309582), (78, 265923), (81, 256074), (91, 227934), (98, 211653), (117, 177282), (126, 164619), (134, 154791), (147, 141102), (162, 128037), (182, 113967), (189, 109746), (201, 103194), (234, 88641), (243, 85358), (273, 75978), (294, 70551), (351, 59094), (378, 54873), (402, 51597), (441, 47034), (469, 44226), (486, 42679), (546, 37989), (567, 36582), (603, 34398), (637, 32562), (702, 29547), (819, 25326), (871, 23814), (882, 23517), (938, 22113), (1053, 19698), (1134, 18291), (1206, 17199), (1274, 16281), (1323, 15678), (1407, 14742), (1638, 12663), (1701, 12194), (1742, 11907), (1809, 11466), (1911, 10854), (2106, 9849), (2457, 8442), (2613, 7938), (2646, 7839), (2814, 7371), (3159, 6566), (3283, 6318), (3402, 6097), (3618, 5733), (3822, 5427), (3969, 5226), (4221, 4914)]