20326740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48397}}^1$

素因数の和:48416

約数の個数: 48

約数和(自身を含む): 65046912

約数和(自身を除く): 44720172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48397, 96794, 145191, 193588, 241985, 290382, 338779, 483970, 580764, 677558, 725955, 967940, 1016337, 1355116, 1451910, 1693895, 2032674, 2903820, 3387790, 4065348, 5081685, 6775580, 10163370, 20326740]

約数ペア:

[(1, 20326740), (2, 10163370), (3, 6775580), (4, 5081685), (5, 4065348), (6, 3387790), (7, 2903820), (10, 2032674), (12, 1693895), (14, 1451910), (15, 1355116), (20, 1016337), (21, 967940), (28, 725955), (30, 677558), (35, 580764), (42, 483970), (60, 338779), (70, 290382), (84, 241985), (105, 193588), (140, 145191), (210, 96794), (420, 48397)]