20752809

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89839}}^1$

素因数の和:89860

約数の個数: 16

約数和(自身を含む): 34498560

約数和(自身を除く): 13745751

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 89839, 269517, 628873, 988229, 1886619, 2964687, 6917603, 20752809]

約数ペア:

[(1, 20752809), (3, 6917603), (7, 2964687), (11, 1886619), (21, 988229), (33, 628873), (77, 269517), (231, 89839)]