20152840

素因数分解:

$2^3\times 5^1\times {\mathrm{503821}}^1$

素因数の和:503832

約数の個数: 16

約数和(自身を含む): 45343980

約数和(自身を除く): 25191140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503821, 1007642, 2015284, 2519105, 4030568, 5038210, 10076420, 20152840]

約数ペア:

[(1, 20152840), (2, 10076420), (4, 5038210), (5, 4030568), (8, 2519105), (10, 2015284), (20, 1007642), (40, 503821)]