20285705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1361}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 26673408

約数和(自身を除く): 6387703

約数列:

[1, 5, 11, 55, 271, 1355, 1361, 2981, 6805, 14905, 14971, 74855, 368831, 1844155, 4057141, 20285705]

約数ペア:

[(1, 20285705), (5, 4057141), (11, 1844155), (55, 368831), (271, 74855), (1355, 14971), (1361, 14905), (2981, 6805)]