20394218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25303}}^1$

素因数の和:25349

約数の個数: 16

約数和(自身を含む): 34008576

約数和(自身を除く): 13614358

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25303, 50606, 328939, 657878, 784393, 1568786, 10197109, 20394218]

約数ペア:

[(1, 20394218), (2, 10197109), (13, 1568786), (26, 784393), (31, 657878), (62, 328939), (403, 50606), (806, 25303)]