20280258

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{3121}}^1$

素因数の和:3167

約数の個数: 36

約数和(自身を含む): 46389798

約数和(自身を除く): 26109540

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 2166, 3121, 3249, 6242, 6498, 9363, 18726, 28089, 56178, 59299, 118598, 177897, 355794, 533691, 1067382, 1126681, 2253362, 3380043, 6760086, 10140129, 20280258]

約数ペア:

[(1, 20280258), (2, 10140129), (3, 6760086), (6, 3380043), (9, 2253362), (18, 1126681), (19, 1067382), (38, 533691), (57, 355794), (114, 177897), (171, 118598), (342, 59299), (361, 56178), (722, 28089), (1083, 18726), (2166, 9363), (3121, 6498), (3249, 6242)]