20404584159

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{54151}}^1$

素因数の和:54347

約数の個数: 32

約数和(自身を含む): 29278470144

約数和(自身を除く): 8873885985

約数列:

[1, 3, 23, 43, 69, 127, 129, 381, 989, 2921, 2967, 5461, 8763, 16383, 54151, 125603, 162453, 376809, 1245473, 2328493, 3736419, 6877177, 6985479, 20631531, 53555339, 158175071, 160666017, 295718611, 474525213, 887155833, 6801528053, 20404584159]

約数ペア:

[(1, 20404584159), (3, 6801528053), (23, 887155833), (43, 474525213), (69, 295718611), (127, 160666017), (129, 158175071), (381, 53555339), (989, 20631531), (2921, 6985479), (2967, 6877177), (5461, 3736419), (8763, 2328493), (16383, 1245473), (54151, 376809), (125603, 162453)]