20807512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{236449}}^1$

素因数の和:236466

約数の個数: 16

約数和(自身を含む): 42561000

約数和(自身を除く): 21753488

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 236449, 472898, 945796, 1891592, 2600939, 5201878, 10403756, 20807512]

約数ペア:

[(1, 20807512), (2, 10403756), (4, 5201878), (8, 2600939), (11, 1891592), (22, 945796), (44, 472898), (88, 236449)]