200913904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{660901}}^1$

素因数の和:660928

約数の個数: 20

約数和(自身を含む): 409759240

約数和(自身を除く): 208845336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 660901, 1321802, 2643604, 5287208, 10574416, 12557119, 25114238, 50228476, 100456952, 200913904]

約数ペア:

[(1, 200913904), (2, 100456952), (4, 50228476), (8, 25114238), (16, 12557119), (19, 10574416), (38, 5287208), (76, 2643604), (152, 1321802), (304, 660901)]