63678020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{454843}}^1$

素因数の和:454859

約数の個数: 24

約数和(自身を含む): 152827584

約数和(自身を除く): 89149564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 454843, 909686, 1819372, 2274215, 3183901, 4548430, 6367802, 9096860, 12735604, 15919505, 31839010, 63678020]

約数ペア:

[(1, 63678020), (2, 31839010), (4, 15919505), (5, 12735604), (7, 9096860), (10, 6367802), (14, 4548430), (20, 3183901), (28, 2274215), (35, 1819372), (70, 909686), (140, 454843)]