20565426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{489653}}^1$

素因数の和:489665

約数の個数: 16

約数和(自身を含む): 47006784

約数和(自身を除く): 26441358

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 489653, 979306, 1468959, 2937918, 3427571, 6855142, 10282713, 20565426]

約数ペア:

[(1, 20565426), (2, 10282713), (3, 6855142), (6, 3427571), (7, 2937918), (14, 1468959), (21, 979306), (42, 489653)]