20084272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 42191744

約数和(自身を除く): 22107472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 223, 433, 446, 866, 892, 1732, 1784, 2899, 3464, 3568, 5629, 5798, 6928, 11258, 11596, 22516, 23192, 45032, 46384, 90064, 96559, 193118, 386236, 772472, 1255267, 1544944, 2510534, 5021068, 10042136, 20084272]

約数ペア:

[(1, 20084272), (2, 10042136), (4, 5021068), (8, 2510534), (13, 1544944), (16, 1255267), (26, 772472), (52, 386236), (104, 193118), (208, 96559), (223, 90064), (433, 46384), (446, 45032), (866, 23192), (892, 22516), (1732, 11596), (1784, 11258), (2899, 6928), (3464, 5798), (3568, 5629)]