20070972670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{683}}^1\times {\mathrm{2131}}^1$

素因数の和:3025

約数の個数: 64

約数和(自身を含む): 41578707456

約数和(自身を除く): 21507734786

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 683, 985, 1366, 1379, 1970, 2131, 2758, 3415, 4262, 4781, 6830, 6895, 9562, 10655, 13790, 14917, 21310, 23905, 29834, 47810, 74585, 134551, 149170, 269102, 419807, 672755, 839614, 941857, 1345510, 1455473, 1883714, 2099035, 2910946, 2938649, 4198070, 4709285, 5877298, 7277365, 9418570, 10188311, 14554730, 14693245, 20376622, 29386490, 50941555, 101883110, 286728181, 573456362, 1433640905, 2007097267, 2867281810, 4014194534, 10035486335, 20070972670]

約数ペア:

[(1, 20070972670), (2, 10035486335), (5, 4014194534), (7, 2867281810), (10, 2007097267), (14, 1433640905), (35, 573456362), (70, 286728181), (197, 101883110), (394, 50941555), (683, 29386490), (985, 20376622), (1366, 14693245), (1379, 14554730), (1970, 10188311), (2131, 9418570), (2758, 7277365), (3415, 5877298), (4262, 4709285), (4781, 4198070), (6830, 2938649), (6895, 2910946), (9562, 2099035), (10655, 1883714), (13790, 1455473), (14917, 1345510), (21310, 941857), (23905, 839614), (29834, 672755), (47810, 419807), (74585, 269102), (134551, 149170)]