20218272496

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8480819}}^1$

素因数の和:8480976

約数の個数: 20

約数和(自身を含む): 39435813000

約数和(自身を除く): 19217540504

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8480819, 16961638, 33923276, 67846552, 135693104, 1263642031, 2527284062, 5054568124, 10109136248, 20218272496]

約数ペア:

[(1, 20218272496), (2, 10109136248), (4, 5054568124), (8, 2527284062), (16, 1263642031), (149, 135693104), (298, 67846552), (596, 33923276), (1192, 16961638), (2384, 8480819)]