20748483

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19373}}^1$

素因数の和:19403

約数の個数: 24

約数和(自身を含む): 36268128

約数和(自身を除く): 15519645

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19373, 58119, 135611, 174357, 329341, 406833, 988023, 1220499, 2305387, 2964069, 6916161, 20748483]

約数ペア:

[(1, 20748483), (3, 6916161), (7, 2964069), (9, 2305387), (17, 1220499), (21, 988023), (51, 406833), (63, 329341), (119, 174357), (153, 135611), (357, 58119), (1071, 19373)]