20417248

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33581}}^1$

素因数の和:33610

約数の個数: 24

約数和(自身を含む): 42313320

約数和(自身を除く): 21896072

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33581, 67162, 134324, 268648, 537296, 638039, 1074592, 1276078, 2552156, 5104312, 10208624, 20417248]

約数ペア:

[(1, 20417248), (2, 10208624), (4, 5104312), (8, 2552156), (16, 1276078), (19, 1074592), (32, 638039), (38, 537296), (76, 268648), (152, 134324), (304, 67162), (608, 33581)]