20890540368

素因数分解:

$2^4\times 3^2\times {\mathrm{443}}^1\times {\mathrm{327479}}^1$

素因数の和:327936

約数の個数: 60

約数和(自身を含む): 58596651360

約数和(自身を除く): 37706110992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 443, 886, 1329, 1772, 2658, 3544, 3987, 5316, 7088, 7974, 10632, 15948, 21264, 31896, 63792, 327479, 654958, 982437, 1309916, 1964874, 2619832, 2947311, 3929748, 5239664, 5894622, 7859496, 11789244, 15718992, 23578488, 47156976, 145073197, 290146394, 435219591, 580292788, 870439182, 1160585576, 1305658773, 1740878364, 2321171152, 2611317546, 3481756728, 5222635092, 6963513456, 10445270184, 20890540368]

約数ペア:

[(1, 20890540368), (2, 10445270184), (3, 6963513456), (4, 5222635092), (6, 3481756728), (8, 2611317546), (9, 2321171152), (12, 1740878364), (16, 1305658773), (18, 1160585576), (24, 870439182), (36, 580292788), (48, 435219591), (72, 290146394), (144, 145073197), (443, 47156976), (886, 23578488), (1329, 15718992), (1772, 11789244), (2658, 7859496), (3544, 5894622), (3987, 5239664), (5316, 3929748), (7088, 2947311), (7974, 2619832), (10632, 1964874), (15948, 1309916), (21264, 982437), (31896, 654958), (63792, 327479)]