20867779295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{129803}}^1$

素因数の和:129935

約数の個数: 32

約数和(自身を含む): 28411499520

約数和(自身を除く): 7543720225

約数列:

[1, 5, 11, 37, 55, 79, 185, 395, 407, 869, 2035, 2923, 4345, 14615, 32153, 129803, 160765, 649015, 1427833, 4802711, 7139165, 10254437, 24013555, 51272185, 52829821, 112798807, 264149105, 379414169, 563994035, 1897070845, 4173555859, 20867779295]

約数ペア:

[(1, 20867779295), (5, 4173555859), (11, 1897070845), (37, 563994035), (55, 379414169), (79, 264149105), (185, 112798807), (395, 52829821), (407, 51272185), (869, 24013555), (2035, 10254437), (2923, 7139165), (4345, 4802711), (14615, 1427833), (32153, 649015), (129803, 160765)]