20565763624

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1759}}^1\times {\mathrm{2027}}^1$

素因数の和:3902

約数の個数: 64

約数和(自身を含む): 44544614400

約数和(自身を除く): 23978850776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 1759, 2027, 2884, 3518, 4054, 5768, 7036, 8108, 12313, 14072, 14189, 16216, 24626, 28378, 49252, 56756, 98504, 113512, 181177, 208781, 362354, 417562, 724708, 835124, 1268239, 1449416, 1461467, 1670248, 2536478, 2922934, 3565493, 5072956, 5845868, 7130986, 10145912, 11691736, 14261972, 24958451, 28523944, 49916902, 99833804, 199667608, 367245779, 734491558, 1468983116, 2570720453, 2937966232, 5141440906, 10282881812, 20565763624]

約数ペア:

[(1, 20565763624), (2, 10282881812), (4, 5141440906), (7, 2937966232), (8, 2570720453), (14, 1468983116), (28, 734491558), (56, 367245779), (103, 199667608), (206, 99833804), (412, 49916902), (721, 28523944), (824, 24958451), (1442, 14261972), (1759, 11691736), (2027, 10145912), (2884, 7130986), (3518, 5845868), (4054, 5072956), (5768, 3565493), (7036, 2922934), (8108, 2536478), (12313, 1670248), (14072, 1461467), (14189, 1449416), (16216, 1268239), (24626, 835124), (28378, 724708), (49252, 417562), (56756, 362354), (98504, 208781), (113512, 181177)]