20771272

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{5101}}^1$

素因数の和:5616

約数の個数: 16

約数和(自身を含む): 39030300

約数和(自身を除く): 18259028

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 5101, 10202, 20404, 40808, 2596409, 5192818, 10385636, 20771272]

約数ペア:

[(1, 20771272), (2, 10385636), (4, 5192818), (8, 2596409), (509, 40808), (1018, 20404), (2036, 10202), (4072, 5101)]