20155360816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66300529}}^1$

素因数の和:66300556

約数の個数: 20

約数和(自身を含む): 41106328600

約数和(自身を除く): 20950967784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66300529, 132601058, 265202116, 530404232, 1060808464, 1259710051, 2519420102, 5038840204, 10077680408, 20155360816]

約数ペア:

[(1, 20155360816), (2, 10077680408), (4, 5038840204), (8, 2519420102), (16, 1259710051), (19, 1060808464), (38, 530404232), (76, 265202116), (152, 132601058), (304, 66300529)]