20105703

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 36

約数和(自身を含む): 31401552

約数和(自身を除く): 11295849

約数列:

[1, 3, 9, 23, 41, 69, 103, 123, 207, 309, 369, 529, 927, 943, 1587, 2369, 2829, 4223, 4761, 7107, 8487, 12669, 21321, 21689, 38007, 54487, 65067, 97129, 163461, 195201, 291387, 490383, 874161, 2233967, 6701901, 20105703]

約数ペア:

[(1, 20105703), (3, 6701901), (9, 2233967), (23, 874161), (41, 490383), (69, 291387), (103, 195201), (123, 163461), (207, 97129), (309, 65067), (369, 54487), (529, 38007), (927, 21689), (943, 21321), (1587, 12669), (2369, 8487), (2829, 7107), (4223, 4761)]