20512896019

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{38057321}}^1$

素因数の和:38057346

約数の個数: 12

約数和(自身を含む): 26031208248

約数和(自身を除く): 5518312229

約数列:

[1, 7, 11, 49, 77, 539, 38057321, 266401247, 418630531, 1864808729, 2930413717, 20512896019]

約数ペア:

[(1, 20512896019), (7, 2930413717), (11, 1864808729), (49, 418630531), (77, 266401247), (539, 38057321)]