20215544083

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{4787}}^1$

素因数の和:5187

約数の個数: 32

約数和(自身を含む): 24324572160

約数和(自身を除く): 4109028077

約数列:

[1, 7, 29, 71, 203, 293, 497, 2051, 2059, 4787, 8497, 14413, 20803, 33509, 59479, 138823, 145621, 339877, 603287, 971761, 1402591, 2379139, 4223009, 9818137, 9856433, 40675139, 68995031, 99583961, 284725973, 697087727, 2887934869, 20215544083]

約数ペア:

[(1, 20215544083), (7, 2887934869), (29, 697087727), (71, 284725973), (203, 99583961), (293, 68995031), (497, 40675139), (2051, 9856433), (2059, 9818137), (4787, 4223009), (8497, 2379139), (14413, 1402591), (20803, 971761), (33509, 603287), (59479, 339877), (138823, 145621)]