20648464

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{44501}}^1$

素因数の和:44538

約数の個数: 20

約数和(自身を含む): 41386860

約数和(自身を除く): 20738396

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 44501, 89002, 178004, 356008, 712016, 1290529, 2581058, 5162116, 10324232, 20648464]

約数ペア:

[(1, 20648464), (2, 10324232), (4, 5162116), (8, 2581058), (16, 1290529), (29, 712016), (58, 356008), (116, 178004), (232, 89002), (464, 44501)]