20454990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681833}}^1$

素因数の和:681843

約数の個数: 16

約数和(自身を含む): 49092048

約数和(自身を除く): 28637058

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681833, 1363666, 2045499, 3409165, 4090998, 6818330, 10227495, 20454990]

約数ペア:

[(1, 20454990), (2, 10227495), (3, 6818330), (5, 4090998), (6, 3409165), (10, 2045499), (15, 1363666), (30, 681833)]