20445944

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{5081}}^1$

素因数の和:5590

約数の個数: 16

約数和(自身を含む): 38419920

約数和(自身を除く): 17973976

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 5081, 10162, 20324, 40648, 2555743, 5111486, 10222972, 20445944]

約数ペア:

[(1, 20445944), (2, 10222972), (4, 5111486), (8, 2555743), (503, 40648), (1006, 20324), (2012, 10162), (4024, 5081)]