20260863

素因数分解:

$3^2\times 7^2\times {\mathrm{45943}}^1$

素因数の和:45963

約数の個数: 18

約数和(自身を含む): 34044504

約数和(自身を除く): 13783641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45943, 137829, 321601, 413487, 964803, 2251207, 2894409, 6753621, 20260863]

約数ペア:

[(1, 20260863), (3, 6753621), (7, 2894409), (9, 2251207), (21, 964803), (49, 413487), (63, 321601), (147, 137829), (441, 45943)]