20984790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{699493}}^1$

素因数の和:699503

約数の個数: 16

約数和(自身を含む): 50363568

約数和(自身を除く): 29378778

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 699493, 1398986, 2098479, 3497465, 4196958, 6994930, 10492395, 20984790]

約数ペア:

[(1, 20984790), (2, 10492395), (3, 6994930), (5, 4196958), (6, 3497465), (10, 2098479), (15, 1398986), (30, 699493)]