20856880051

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{1481}}^1\times {\mathrm{5573}}^1$

素因数の和:7099

約数の個数: 24

約数和(自身を含む): 25178516064

約数和(自身を除く): 4321636013

約数列:

[1, 7, 19, 133, 361, 1481, 2527, 5573, 10367, 28139, 39011, 105887, 196973, 534641, 741209, 2011853, 3742487, 8253613, 14082971, 57775291, 156818647, 1097730529, 2979554293, 20856880051]

約数ペア:

[(1, 20856880051), (7, 2979554293), (19, 1097730529), (133, 156818647), (361, 57775291), (1481, 14082971), (2527, 8253613), (5573, 3742487), (10367, 2011853), (28139, 741209), (39011, 534641), (105887, 196973)]