1820297980

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{247997}}^1$

素因数の和:248373

約数の個数: 24

約数和(自身を含む): 3833057088

約数和(自身を除く): 2012759108

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 247997, 495994, 991988, 1239985, 2479970, 4959940, 91014899, 182029798, 364059596, 455074495, 910148990, 1820297980]

約数ペア:

[(1, 1820297980), (2, 910148990), (4, 455074495), (5, 364059596), (10, 182029798), (20, 91014899), (367, 4959940), (734, 2479970), (1468, 1239985), (1835, 991988), (3670, 495994), (7340, 247997)]