20749230

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 59535360

約数和(自身を除く): 38786130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 37, 45, 54, 62, 67, 74, 90, 93, 111, 134, 135, 155, 185, 186, 201, 222, 270, 279, 310, 333, 335, 370, 402, 465, 555, 558, 603, 666, 670, 837, 930, 999, 1005, 1110, 1147, 1206, 1395, 1665, 1674, 1809, 1998, 2010, 2077, 2294, 2479, 2790, 3015, 3330, 3441, 3618, 4154, 4185, 4958, 4995, 5735, 6030, 6231, 6882, 7437, 8370, 9045, 9990, 10323, 10385, 11470, 12395, 12462, 14874, 17205, 18090, 18693, 20646, 20770, 22311, 24790, 30969, 31155, 34410, 37185, 37386, 44622, 51615, 56079, 61938, 62310, 66933, 74370, 76849, 93465, 103230, 111555, 112158, 133866, 153698, 154845, 186930, 223110, 230547, 280395, 309690, 334665, 384245, 461094, 560790, 669330, 691641, 768490, 1152735, 1383282, 2074923, 2305470, 3458205, 4149846, 6916410, 10374615, 20749230]

約数ペア:

[(1, 20749230), (2, 10374615), (3, 6916410), (5, 4149846), (6, 3458205), (9, 2305470), (10, 2074923), (15, 1383282), (18, 1152735), (27, 768490), (30, 691641), (31, 669330), (37, 560790), (45, 461094), (54, 384245), (62, 334665), (67, 309690), (74, 280395), (90, 230547), (93, 223110), (111, 186930), (134, 154845), (135, 153698), (155, 133866), (185, 112158), (186, 111555), (201, 103230), (222, 93465), (270, 76849), (279, 74370), (310, 66933), (333, 62310), (335, 61938), (370, 56079), (402, 51615), (465, 44622), (555, 37386), (558, 37185), (603, 34410), (666, 31155), (670, 30969), (837, 24790), (930, 22311), (999, 20770), (1005, 20646), (1110, 18693), (1147, 18090), (1206, 17205), (1395, 14874), (1665, 12462), (1674, 12395), (1809, 11470), (1998, 10385), (2010, 10323), (2077, 9990), (2294, 9045), (2479, 8370), (2790, 7437), (3015, 6882), (3330, 6231), (3441, 6030), (3618, 5735), (4154, 4995), (4185, 4958)]