20308780

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1033}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 42733152

約数和(自身を除く): 22424372

約数列:

[1, 2, 4, 5, 10, 20, 983, 1033, 1966, 2066, 3932, 4132, 4915, 5165, 9830, 10330, 19660, 20660, 1015439, 2030878, 4061756, 5077195, 10154390, 20308780]

約数ペア:

[(1, 20308780), (2, 10154390), (4, 5077195), (5, 4061756), (10, 2030878), (20, 1015439), (983, 20660), (1033, 19660), (1966, 10330), (2066, 9830), (3932, 5165), (4132, 4915)]