20891002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{14173}}^1$

素因数の和:14253

約数の個数: 16

約数和(自身を含む): 34697952

約数和(自身を除く): 13806950

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 14173, 28346, 155903, 311806, 949591, 1899182, 10445501, 20891002]

約数ペア:

[(1, 20891002), (2, 10445501), (11, 1899182), (22, 949591), (67, 311806), (134, 155903), (737, 28346), (1474, 14173)]