16720907

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:132

約数の個数: 24

約数和(自身を含む): 20676000

約数和(自身を除く): 3955093

約数列:

[1, 7, 29, 41, 49, 203, 287, 343, 1189, 1421, 1681, 2009, 8323, 9947, 11767, 14063, 48749, 58261, 82369, 341243, 407827, 576583, 2388701, 16720907]

約数ペア:

[(1, 16720907), (7, 2388701), (29, 576583), (41, 407827), (49, 341243), (203, 82369), (287, 58261), (343, 48749), (1189, 14063), (1421, 11767), (1681, 9947), (2009, 8323)]