20843207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15923}}^1$

素因数の和:15958

約数の個数: 16

約数和(自身を含む): 27516672

約数和(自身を除く): 6673465

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15923, 111461, 175153, 270691, 1226071, 1894837, 2977601, 20843207]

約数ペア:

[(1, 20843207), (7, 2977601), (11, 1894837), (17, 1226071), (77, 270691), (119, 175153), (187, 111461), (1309, 15923)]