20155504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66301}}^1$

素因数の和:66328

約数の個数: 20

約数和(自身を含む): 41107240

約数和(自身を除く): 20951736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66301, 132602, 265204, 530408, 1060816, 1259719, 2519438, 5038876, 10077752, 20155504]

約数ペア:

[(1, 20155504), (2, 10077752), (4, 5038876), (8, 2519438), (16, 1259719), (19, 1060816), (38, 530408), (76, 265204), (152, 132602), (304, 66301)]