20936716

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2557}}^1$

素因数の和:2673

約数の個数: 24

約数和(自身を含む): 38676960

約数和(自身を除く): 17740244

約数列:

[1, 2, 4, 23, 46, 89, 92, 178, 356, 2047, 2557, 4094, 5114, 8188, 10228, 58811, 117622, 227573, 235244, 455146, 910292, 5234179, 10468358, 20936716]

約数ペア:

[(1, 20936716), (2, 10468358), (4, 5234179), (23, 910292), (46, 455146), (89, 235244), (92, 227573), (178, 117622), (356, 58811), (2047, 10228), (2557, 8188), (4094, 5114)]