20199870535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{35407}}^1$

素因数の和:35623

約数の個数: 32

約数和(自身を含む): 26697065472

約数和(自身を除く): 6497194937

約数列:

[1, 5, 13, 65, 67, 131, 335, 655, 871, 1703, 4355, 8515, 8777, 35407, 43885, 114101, 177035, 460291, 570505, 2301455, 2372269, 4638317, 11861345, 23191585, 30839497, 60298121, 154197485, 301490605, 310767239, 1553836195, 4039974107, 20199870535]

約数ペア:

[(1, 20199870535), (5, 4039974107), (13, 1553836195), (65, 310767239), (67, 301490605), (131, 154197485), (335, 60298121), (655, 30839497), (871, 23191585), (1703, 11861345), (4355, 4638317), (8515, 2372269), (8777, 2301455), (35407, 570505), (43885, 460291), (114101, 177035)]