20185668

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7681}}^1$

素因数の和:7764

約数の個数: 36

約数和(自身を含む): 51730588

約数和(自身を除く): 31544920

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 7681, 15362, 23043, 30724, 46086, 69129, 92172, 138258, 276516, 560713, 1121426, 1682139, 2242852, 3364278, 5046417, 6728556, 10092834, 20185668]

約数ペア:

[(1, 20185668), (2, 10092834), (3, 6728556), (4, 5046417), (6, 3364278), (9, 2242852), (12, 1682139), (18, 1121426), (36, 560713), (73, 276516), (146, 138258), (219, 92172), (292, 69129), (438, 46086), (657, 30724), (876, 23043), (1314, 15362), (2628, 7681)]