20443829

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{3137}}^1$

素因数の和:3177

約数の個数: 16

約数和(自身を含む): 25104000

約数和(自身を除く): 4660171

約数列:

[1, 7, 19, 49, 133, 343, 931, 3137, 6517, 21959, 59603, 153713, 417221, 1075991, 2920547, 20443829]

約数ペア:

[(1, 20443829), (7, 2920547), (19, 1075991), (49, 417221), (133, 153713), (343, 59603), (931, 21959), (3137, 6517)]