20531248

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67537}}^1$

素因数の和:67564

約数の個数: 20

約数和(自身を含む): 41873560

約数和(自身を除く): 21342312

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67537, 135074, 270148, 540296, 1080592, 1283203, 2566406, 5132812, 10265624, 20531248]

約数ペア:

[(1, 20531248), (2, 10265624), (4, 5132812), (8, 2566406), (16, 1283203), (19, 1080592), (38, 540296), (76, 270148), (152, 135074), (304, 67537)]