20139204955

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{9461}}^1$

素因数の和:9879

約数の個数: 32

約数和(自身を含む): 25997034240

約数和(自身を除く): 5857829285

約数列:

[1, 5, 17, 79, 85, 317, 395, 1343, 1585, 5389, 6715, 9461, 25043, 26945, 47305, 125215, 160837, 425731, 747419, 804185, 2128655, 2999137, 3737095, 12706123, 14995685, 50985329, 63530615, 236931823, 254926645, 1184659115, 4027840991, 20139204955]

約数ペア:

[(1, 20139204955), (5, 4027840991), (17, 1184659115), (79, 254926645), (85, 236931823), (317, 63530615), (395, 50985329), (1343, 14995685), (1585, 12706123), (5389, 3737095), (6715, 2999137), (9461, 2128655), (25043, 804185), (26945, 747419), (47305, 425731), (125215, 160837)]