20326810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{290383}}^1$

素因数の和:290397

約数の個数: 16

約数和(自身を含む): 41815296

約数和(自身を除く): 21488486

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 290383, 580766, 1451915, 2032681, 2903830, 4065362, 10163405, 20326810]

約数ペア:

[(1, 20326810), (2, 10163405), (5, 4065362), (7, 2903830), (10, 2032681), (14, 1451915), (35, 580766), (70, 290383)]