20322180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112901}}^1$

素因数の和:112916

約数の個数: 36

約数和(自身を含む): 61644492

約数和(自身を除く): 41322312

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112901, 225802, 338703, 451604, 564505, 677406, 1016109, 1129010, 1354812, 1693515, 2032218, 2258020, 3387030, 4064436, 5080545, 6774060, 10161090, 20322180]

約数ペア:

[(1, 20322180), (2, 10161090), (3, 6774060), (4, 5080545), (5, 4064436), (6, 3387030), (9, 2258020), (10, 2032218), (12, 1693515), (15, 1354812), (18, 1129010), (20, 1016109), (30, 677406), (36, 564505), (45, 451604), (60, 338703), (90, 225802), (180, 112901)]