20936020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149543}}^1$

素因数の和:149559

約数の個数: 24

約数和(自身を含む): 50246784

約数和(自身を除く): 29310764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149543, 299086, 598172, 747715, 1046801, 1495430, 2093602, 2990860, 4187204, 5234005, 10468010, 20936020]

約数ペア:

[(1, 20936020), (2, 10468010), (4, 5234005), (5, 4187204), (7, 2990860), (10, 2093602), (14, 1495430), (20, 1046801), (28, 747715), (35, 598172), (70, 299086), (140, 149543)]