20041808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65927}}^1$

素因数の和:65954

約数の個数: 20

約数和(自身を含む): 40875360

約数和(自身を除く): 20833552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65927, 131854, 263708, 527416, 1054832, 1252613, 2505226, 5010452, 10020904, 20041808]

約数ペア:

[(1, 20041808), (2, 10020904), (4, 5010452), (8, 2505226), (16, 1252613), (19, 1054832), (38, 527416), (76, 263708), (152, 131854), (304, 65927)]