20455768

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{35027}}^1$

素因数の和:35106

約数の個数: 16

約数和(自身を含む): 38881080

約数和(自身を除く): 18425312

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 35027, 70054, 140108, 280216, 2556971, 5113942, 10227884, 20455768]

約数ペア:

[(1, 20455768), (2, 10227884), (4, 5113942), (8, 2556971), (73, 280216), (146, 140108), (292, 70054), (584, 35027)]