20149555979

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{3391}}^1\times {\mathrm{18061}}^1$

素因数の和:21506

約数の個数: 16

約数和(自身を含む): 23526260736

約数和(自身を除く): 3376704757

約数列:

[1, 7, 47, 329, 3391, 18061, 23737, 126427, 159377, 848867, 1115639, 5942069, 61244851, 428713957, 2878507997, 20149555979]

約数ペア:

[(1, 20149555979), (7, 2878507997), (47, 428713957), (329, 61244851), (3391, 5942069), (18061, 1115639), (23737, 848867), (126427, 159377)]