20763477

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19387}}^1$

素因数の和:19417

約数の個数: 24

約数和(自身を含む): 36294336

約数和(自身を除く): 15530859

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19387, 58161, 135709, 174483, 329579, 407127, 988737, 1221381, 2307053, 2966211, 6921159, 20763477]

約数ペア:

[(1, 20763477), (3, 6921159), (7, 2966211), (9, 2307053), (17, 1221381), (21, 988737), (51, 407127), (63, 329579), (119, 174483), (153, 135709), (357, 58161), (1071, 19387)]