20123343275

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{966307}}^1$

素因数の和:966348

約数の個数: 36

約数和(自身を含む): 30734392248

約数和(自身を除く): 10611048973

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 425, 595, 833, 1225, 2975, 4165, 20825, 966307, 4831535, 6764149, 16427219, 24157675, 33820745, 47349043, 82136095, 114990533, 169103725, 236745215, 410680475, 574952665, 804933731, 1183726075, 2874763325, 4024668655, 20123343275]

約数ペア:

[(1, 20123343275), (5, 4024668655), (7, 2874763325), (17, 1183726075), (25, 804933731), (35, 574952665), (49, 410680475), (85, 236745215), (119, 169103725), (175, 114990533), (245, 82136095), (425, 47349043), (595, 33820745), (833, 24157675), (1225, 16427219), (2975, 6764149), (4165, 4831535), (20825, 966307)]