20394430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{291349}}^1$

素因数の和:291363

約数の個数: 16

約数和(自身を含む): 41954400

約数和(自身を除く): 21559970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 291349, 582698, 1456745, 2039443, 2913490, 4078886, 10197215, 20394430]

約数ペア:

[(1, 20394430), (2, 10197215), (5, 4078886), (7, 2913490), (10, 2039443), (14, 1456745), (35, 582698), (70, 291349)]