20100642544

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40525489}}^1$

素因数の和:40525528

約数の個数: 20

約数和(自身を含む): 40201286080

約数和(自身を除く): 20100643536

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40525489, 81050978, 162101956, 324203912, 648407824, 1256290159, 2512580318, 5025160636, 10050321272, 20100642544]

約数ペア:

[(1, 20100642544), (2, 10050321272), (4, 5025160636), (8, 2512580318), (16, 1256290159), (31, 648407824), (62, 324203912), (124, 162101956), (248, 81050978), (496, 40525489)]