20155360840

素因数分解:

$2^3\times 5^1\times {\mathrm{503884021}}^1$

素因数の和:503884032

約数の個数: 16

約数和(自身を含む): 45349561980

約数和(自身を除く): 25194201140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503884021, 1007768042, 2015536084, 2519420105, 4031072168, 5038840210, 10077680420, 20155360840]

約数ペア:

[(1, 20155360840), (2, 10077680420), (4, 5038840210), (5, 4031072168), (8, 2519420105), (10, 2015536084), (20, 1007768042), (40, 503884021)]