20680524

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1447}}^1$

素因数の和:1854

約数の個数: 36

約数和(自身を含む): 52443664

約数和(自身を除く): 31763140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1447, 1588, 2382, 2894, 3573, 4341, 4764, 5788, 7146, 8682, 13023, 14292, 17364, 26046, 52092, 574459, 1148918, 1723377, 2297836, 3446754, 5170131, 6893508, 10340262, 20680524]

約数ペア:

[(1, 20680524), (2, 10340262), (3, 6893508), (4, 5170131), (6, 3446754), (9, 2297836), (12, 1723377), (18, 1148918), (36, 574459), (397, 52092), (794, 26046), (1191, 17364), (1447, 14292), (1588, 13023), (2382, 8682), (2894, 7146), (3573, 5788), (4341, 4764)]