20565723965

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1\times {\mathrm{389}}^1\times {\mathrm{613}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 25378928640

約数和(自身を除く): 4813204675

約数列:

[1, 5, 47, 235, 367, 389, 613, 1835, 1945, 3065, 17249, 18283, 28811, 86245, 91415, 142763, 144055, 224971, 238457, 713815, 1124855, 1192285, 6709861, 10573637, 11207479, 33549305, 52868185, 56037395, 87513719, 437568595, 4113144793, 20565723965]

約数ペア:

[(1, 20565723965), (5, 4113144793), (47, 437568595), (235, 87513719), (367, 56037395), (389, 52868185), (613, 33549305), (1835, 11207479), (1945, 10573637), (3065, 6709861), (17249, 1192285), (18283, 1124855), (28811, 713815), (86245, 238457), (91415, 224971), (142763, 144055)]