20235561185

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1\times {\mathrm{27397}}^1$

素因数の和:27905

約数の個数: 32

約数和(自身を含む): 28406246400

約数和(自身を除く): 8170685215

約数列:

[1, 5, 7, 35, 47, 235, 329, 449, 1645, 2245, 3143, 15715, 21103, 27397, 105515, 136985, 147721, 191779, 738605, 958895, 1287659, 6438295, 9013613, 12301253, 45068065, 61506265, 86108771, 430543855, 578158891, 2890794455, 4047112237, 20235561185]

約数ペア:

[(1, 20235561185), (5, 4047112237), (7, 2890794455), (35, 578158891), (47, 430543855), (235, 86108771), (329, 61506265), (449, 45068065), (1645, 12301253), (2245, 9013613), (3143, 6438295), (15715, 1287659), (21103, 958895), (27397, 738605), (105515, 191779), (136985, 147721)]