20569690

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3209}}^1$

素因数の和:3857

約数の個数: 16

約数和(自身を含む): 37094760

約数和(自身を除く): 16525070

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 3209, 6410, 6418, 16045, 32090, 2056969, 4113938, 10284845, 20569690]

約数ペア:

[(1, 20569690), (2, 10284845), (5, 4113938), (10, 2056969), (641, 32090), (1282, 16045), (3205, 6418), (3209, 6410)]