20028813

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{11491}}^1$

素因数の和:11584

約数の個数: 16

約数和(自身を含む): 30890496

約数和(自身を除く): 10861683

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 11491, 34473, 80437, 241311, 953753, 2861259, 6676271, 20028813]

約数ペア:

[(1, 20028813), (3, 6676271), (7, 2861259), (21, 953753), (83, 241311), (249, 80437), (581, 34473), (1743, 11491)]