20939644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7103}}^1$

素因数の和:7185

約数の個数: 24

約数和(自身を含む): 40578048

約数和(自身を除く): 19638404

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 7103, 14206, 28412, 78133, 156266, 312532, 475901, 951802, 1903604, 5234911, 10469822, 20939644]

約数ペア:

[(1, 20939644), (2, 10469822), (4, 5234911), (11, 1903604), (22, 951802), (44, 475901), (67, 312532), (134, 156266), (268, 78133), (737, 28412), (1474, 14206), (2948, 7103)]