20532141

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 37814400

約数和(自身を除く): 17282259

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1009, 1071, 1197, 2261, 2907, 3027, 6783, 7063, 9081, 17153, 19171, 20349, 21189, 51459, 57513, 63567, 120071, 134197, 154377, 172539, 325907, 360213, 402591, 977721, 1080639, 1207773, 2281349, 2933163, 6844047, 20532141]

約数ペア:

[(1, 20532141), (3, 6844047), (7, 2933163), (9, 2281349), (17, 1207773), (19, 1080639), (21, 977721), (51, 402591), (57, 360213), (63, 325907), (119, 172539), (133, 154377), (153, 134197), (171, 120071), (323, 63567), (357, 57513), (399, 51459), (969, 21189), (1009, 20349), (1071, 19171), (1197, 17153), (2261, 9081), (2907, 7063), (3027, 6783)]