20972418

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{65951}}^1$

素因数の和:66009

約数の個数: 16

約数和(自身を含む): 42736896

約数和(自身を除く): 21764478

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 65951, 131902, 197853, 395706, 3495403, 6990806, 10486209, 20972418]

約数ペア:

[(1, 20972418), (2, 10486209), (3, 6990806), (6, 3495403), (53, 395706), (106, 197853), (159, 131902), (318, 65951)]