20876680227

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1\times {\mathrm{491}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 31708164096

約数和(自身を除く): 10831483869

約数列:

[1, 3, 13, 23, 39, 69, 107, 299, 321, 443, 491, 897, 1329, 1391, 1473, 2461, 4173, 5759, 6383, 7383, 10189, 11293, 17277, 19149, 30567, 31993, 33879, 47401, 52537, 95979, 132457, 142203, 146809, 157611, 217513, 397371, 440427, 616213, 652539, 682981, 1090223, 1208351, 1848639, 2048943, 2827669, 3270669, 3625053, 5002799, 8483007, 14172899, 15008397, 15708563, 23273891, 42518697, 47125689, 65036387, 69821673, 195109161, 302560583, 535299493, 907681749, 1605898479, 6958893409, 20876680227]

約数ペア:

[(1, 20876680227), (3, 6958893409), (13, 1605898479), (23, 907681749), (39, 535299493), (69, 302560583), (107, 195109161), (299, 69821673), (321, 65036387), (443, 47125689), (491, 42518697), (897, 23273891), (1329, 15708563), (1391, 15008397), (1473, 14172899), (2461, 8483007), (4173, 5002799), (5759, 3625053), (6383, 3270669), (7383, 2827669), (10189, 2048943), (11293, 1848639), (17277, 1208351), (19149, 1090223), (30567, 682981), (31993, 652539), (33879, 616213), (47401, 440427), (52537, 397371), (95979, 217513), (132457, 157611), (142203, 146809)]