20309148

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3461}}^1$

素因数の和:3634

約数の個数: 36

約数和(自身を含む): 51666888

約数和(自身を除く): 31357740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3461, 5868, 6922, 10383, 13844, 20766, 31149, 41532, 62298, 124596, 564143, 1128286, 1692429, 2256572, 3384858, 5077287, 6769716, 10154574, 20309148]

約数ペア:

[(1, 20309148), (2, 10154574), (3, 6769716), (4, 5077287), (6, 3384858), (9, 2256572), (12, 1692429), (18, 1128286), (36, 564143), (163, 124596), (326, 62298), (489, 41532), (652, 31149), (978, 20766), (1467, 13844), (1956, 10383), (2934, 6922), (3461, 5868)]