20697274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25679}}^1$

素因数の和:25725

約数の個数: 16

約数和(自身を含む): 34513920

約数和(自身を除く): 13816646

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25679, 51358, 333827, 667654, 796049, 1592098, 10348637, 20697274]

約数ペア:

[(1, 20697274), (2, 10348637), (13, 1592098), (26, 796049), (31, 667654), (62, 333827), (403, 51358), (806, 25679)]