20994022

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40529}}^1$

素因数の和:40575

約数の個数: 16

約数和(自身を含む): 36963360

約数和(自身を除く): 15969338

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40529, 81058, 283703, 567406, 1499573, 2999146, 10497011, 20994022]

約数ペア:

[(1, 20994022), (2, 10497011), (7, 2999146), (14, 1499573), (37, 567406), (74, 283703), (259, 81058), (518, 40529)]