20803438660

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1680407}}^1$

素因数の和:1681035

約数の個数: 24

約数和(自身を含む): 43757824320

約数和(自身を除く): 22954385660

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 1680407, 3360814, 6721628, 8402035, 16804070, 33608140, 1040171933, 2080343866, 4160687732, 5200859665, 10401719330, 20803438660]

約数ペア:

[(1, 20803438660), (2, 10401719330), (4, 5200859665), (5, 4160687732), (10, 2080343866), (20, 1040171933), (619, 33608140), (1238, 16804070), (2476, 8402035), (3095, 6721628), (6190, 3360814), (12380, 1680407)]