20434964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42221}}^1$

素因数の和:42247

約数の個数: 18

約数和(自身を含む): 39308682

約数和(自身を除く): 18873718

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42221, 84442, 168884, 464431, 928862, 1857724, 5108741, 10217482, 20434964]

約数ペア:

[(1, 20434964), (2, 10217482), (4, 5108741), (11, 1857724), (22, 928862), (44, 464431), (121, 168884), (242, 84442), (484, 42221)]