20149386448

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40623763}}^1$

素因数の和:40623802

約数の個数: 20

約数和(自身を含む): 40298773888

約数和(自身を除く): 20149387440

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40623763, 81247526, 162495052, 324990104, 649980208, 1259336653, 2518673306, 5037346612, 10074693224, 20149386448]

約数ペア:

[(1, 20149386448), (2, 10074693224), (4, 5037346612), (8, 2518673306), (16, 1259336653), (31, 649980208), (62, 324990104), (124, 162495052), (248, 81247526), (496, 40623763)]