20163645

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6311}}^1$

素因数の和:6393

約数の個数: 24

約数和(自身を含む): 35448192

約数和(自身を除く): 15284547

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6311, 18933, 31555, 56799, 94665, 283995, 448081, 1344243, 2240405, 4032729, 6721215, 20163645]

約数ペア:

[(1, 20163645), (3, 6721215), (5, 4032729), (9, 2240405), (15, 1344243), (45, 448081), (71, 283995), (213, 94665), (355, 56799), (639, 31555), (1065, 18933), (3195, 6311)]