20320712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{149417}}^1$

素因数の和:149440

約数の個数: 16

約数和(自身を含む): 40342860

約数和(自身を除く): 20022148

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 149417, 298834, 597668, 1195336, 2540089, 5080178, 10160356, 20320712]

約数ペア:

[(1, 20320712), (2, 10160356), (4, 5080178), (8, 2540089), (17, 1195336), (34, 597668), (68, 298834), (136, 149417)]