61802020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{441443}}^1$

素因数の和:441459

約数の個数: 24

約数和(自身を含む): 148325184

約数和(自身を除く): 86523164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 441443, 882886, 1765772, 2207215, 3090101, 4414430, 6180202, 8828860, 12360404, 15450505, 30901010, 61802020]

約数ペア:

[(1, 61802020), (2, 30901010), (4, 15450505), (5, 12360404), (7, 8828860), (10, 6180202), (14, 4414430), (20, 3090101), (28, 2207215), (35, 1765772), (70, 882886), (140, 441443)]