20199863236

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{43609}}^1$

素因数の和:43924

約数の個数: 48

約数和(自身を含む): 41145511680

約数和(自身を除く): 20945648444

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 233, 284, 466, 497, 932, 994, 1631, 1988, 3262, 6524, 16543, 33086, 43609, 66172, 87218, 115801, 174436, 231602, 305263, 463204, 610526, 1221052, 3096239, 6192478, 10160897, 12384956, 20321794, 21673673, 40643588, 43347346, 71126279, 86694692, 142252558, 284505116, 721423687, 1442847374, 2885694748, 5049965809, 10099931618, 20199863236]

約数ペア:

[(1, 20199863236), (2, 10099931618), (4, 5049965809), (7, 2885694748), (14, 1442847374), (28, 721423687), (71, 284505116), (142, 142252558), (233, 86694692), (284, 71126279), (466, 43347346), (497, 40643588), (932, 21673673), (994, 20321794), (1631, 12384956), (1988, 10160897), (3262, 6192478), (6524, 3096239), (16543, 1221052), (33086, 610526), (43609, 463204), (66172, 305263), (87218, 231602), (115801, 174436)]