20081490248

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80973751}}^1$

素因数の和:80973788

約数の個数: 16

約数和(自身を含む): 38867400960

約数和(自身を除く): 18785910712

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80973751, 161947502, 323895004, 647790008, 2510186281, 5020372562, 10040745124, 20081490248]

約数ペア:

[(1, 20081490248), (2, 10040745124), (4, 5020372562), (8, 2510186281), (31, 647790008), (62, 323895004), (124, 161947502), (248, 80973751)]