20648572

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32063}}^1$

素因数の和:32097

約数の個数: 24

約数和(自身を含む): 43094016

約数和(自身を除く): 22445444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32063, 64126, 128252, 224441, 448882, 737449, 897764, 1474898, 2949796, 5162143, 10324286, 20648572]

約数ペア:

[(1, 20648572), (2, 10324286), (4, 5162143), (7, 2949796), (14, 1474898), (23, 897764), (28, 737449), (46, 448882), (92, 224441), (161, 128252), (322, 64126), (644, 32063)]