13800392020

素因数分解:

$2^2\times 5^1\times {\mathrm{690019601}}^1$

素因数の和:690019610

約数の個数: 12

約数和(自身を含む): 28980823284

約数和(自身を除く): 15180431264

約数列:

[1, 2, 4, 5, 10, 20, 690019601, 1380039202, 2760078404, 3450098005, 6900196010, 13800392020]

約数ペア:

[(1, 13800392020), (2, 6900196010), (4, 3450098005), (5, 2760078404), (10, 1380039202), (20, 690019601)]