20866293

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19483}}^1$

素因数の和:19513

約数の個数: 24

約数和(自身を含む): 36474048

約数和(自身を除く): 15607755

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19483, 58449, 136381, 175347, 331211, 409143, 993633, 1227429, 2318477, 2980899, 6955431, 20866293]

約数ペア:

[(1, 20866293), (3, 6955431), (7, 2980899), (9, 2318477), (17, 1227429), (21, 993633), (51, 409143), (63, 331211), (119, 175347), (153, 136381), (357, 58449), (1071, 19483)]