20798785

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3691}}^1$

素因数の和:3733

約数の個数: 24

約数和(自身を含む): 30303936

約数和(自身を除く): 9505151

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 3691, 5635, 18455, 25837, 84893, 129185, 180859, 424465, 594251, 904295, 2971255, 4159757, 20798785]

約数ペア:

[(1, 20798785), (5, 4159757), (7, 2971255), (23, 904295), (35, 594251), (49, 424465), (115, 180859), (161, 129185), (245, 84893), (805, 25837), (1127, 18455), (3691, 5635)]