20904102

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16831}}^1$

素因数の和:16865

約数の個数: 32

約数和(自身を含む): 48476160

約数和(自身を除く): 27572058

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16831, 33662, 50493, 100986, 151479, 302958, 387113, 454437, 774226, 908874, 1161339, 2322678, 3484017, 6968034, 10452051, 20904102]

約数ペア:

[(1, 20904102), (2, 10452051), (3, 6968034), (6, 3484017), (9, 2322678), (18, 1161339), (23, 908874), (27, 774226), (46, 454437), (54, 387113), (69, 302958), (138, 151479), (207, 100986), (414, 50493), (621, 33662), (1242, 16831)]