20495133

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 31539200

約数和(自身を除く): 11044067

約数列:

[1, 3, 9, 27, 43, 127, 129, 139, 381, 387, 417, 1143, 1161, 1251, 3429, 3753, 5461, 5977, 16383, 17653, 17931, 49149, 52959, 53793, 147447, 158877, 161379, 476631, 759079, 2277237, 6831711, 20495133]

約数ペア:

[(1, 20495133), (3, 6831711), (9, 2277237), (27, 759079), (43, 476631), (127, 161379), (129, 158877), (139, 147447), (381, 53793), (387, 52959), (417, 49149), (1143, 17931), (1161, 17653), (1251, 16383), (3429, 5977), (3753, 5461)]