20132688639

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30925789}}^1$

素因数の和:30925830

約数の個数: 16

約数和(自身を含む): 31668008960

約数和(自身を除く): 11535320321

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30925789, 92777367, 216480523, 649441569, 958699459, 2876098377, 6710896213, 20132688639]

約数ペア:

[(1, 20132688639), (3, 6710896213), (7, 2876098377), (21, 958699459), (31, 649441569), (93, 216480523), (217, 92777367), (651, 30925789)]