20005645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{6863}}^1$

素因数の和:6932

約数の個数: 16

約数和(自身を含む): 26687232

約数和(自身を除く): 6681587

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 6863, 34315, 75493, 363739, 377465, 1818695, 4001129, 20005645]

約数ペア:

[(1, 20005645), (5, 4001129), (11, 1818695), (53, 377465), (55, 363739), (265, 75493), (583, 34315), (2915, 6863)]