20123093788

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1\times {\mathrm{27773}}^1$

素因数の和:28126

約数の個数: 48

約数和(自身を含む): 40781119680

約数和(自身を除く): 20658025892

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 229, 452, 458, 791, 916, 1582, 1603, 3164, 3206, 6412, 25877, 27773, 51754, 55546, 103508, 111092, 181139, 194411, 362278, 388822, 724556, 777644, 3138349, 6276698, 6360017, 12553396, 12720034, 21968443, 25440068, 43936886, 44520119, 87873772, 89040238, 178080476, 718681921, 1437363842, 2874727684, 5030773447, 10061546894, 20123093788]

約数ペア:

[(1, 20123093788), (2, 10061546894), (4, 5030773447), (7, 2874727684), (14, 1437363842), (28, 718681921), (113, 178080476), (226, 89040238), (229, 87873772), (452, 44520119), (458, 43936886), (791, 25440068), (916, 21968443), (1582, 12720034), (1603, 12553396), (3164, 6360017), (3206, 6276698), (6412, 3138349), (25877, 777644), (27773, 724556), (51754, 388822), (55546, 362278), (103508, 194411), (111092, 181139)]