20734021791

素因数分解:

$3^3\times 7^1\times {\mathrm{109703819}}^1$

素因数の和:109703835

約数の個数: 16

約数和(自身を含む): 35105222400

約数和(自身を除く): 14371200609

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 109703819, 329111457, 767926733, 987334371, 2303780199, 2962003113, 6911340597, 20734021791]

約数ペア:

[(1, 20734021791), (3, 6911340597), (7, 2962003113), (9, 2303780199), (21, 987334371), (27, 767926733), (63, 329111457), (189, 109703819)]