20306020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145043}}^1$

素因数の和:145059

約数の個数: 24

約数和(自身を含む): 48734784

約数和(自身を除く): 28428764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145043, 290086, 580172, 725215, 1015301, 1450430, 2030602, 2900860, 4061204, 5076505, 10153010, 20306020]

約数ペア:

[(1, 20306020), (2, 10153010), (4, 5076505), (5, 4061204), (7, 2900860), (10, 2030602), (14, 1450430), (20, 1015301), (28, 725215), (35, 580172), (70, 290086), (140, 145043)]