20853894

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{21323}}^1$

素因数の和:21491

約数の個数: 16

約数和(自身を含む): 41965632

約数和(自身を除く): 21111738

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 21323, 42646, 63969, 127938, 3475649, 6951298, 10426947, 20853894]

約数ペア:

[(1, 20853894), (2, 10426947), (3, 6951298), (6, 3475649), (163, 127938), (326, 63969), (489, 42646), (978, 21323)]