20346979488148

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{2129}}^1\times {\mathrm{18238663}}^1$

素因数の和:18240927

約数の個数: 24

約数和(自身を含む): 35895879391680

約数和(自身を除く): 15548899903532

約数列:

[1, 2, 4, 131, 262, 524, 2129, 4258, 8516, 278899, 557798, 1115596, 18238663, 36477326, 72954652, 2389264853, 4778529706, 9557059412, 38830113527, 77660227054, 155320454108, 5086744872037, 10173489744074, 20346979488148]

約数ペア:

[(1, 20346979488148), (2, 10173489744074), (4, 5086744872037), (131, 155320454108), (262, 77660227054), (524, 38830113527), (2129, 9557059412), (4258, 4778529706), (8516, 2389264853), (278899, 72954652), (557798, 36477326), (1115596, 18238663)]