20556503

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2686

約数の個数: 16

約数和(自身を含む): 24164352

約数和(自身を除く): 3607849

約数列:

[1, 11, 23, 31, 253, 341, 713, 2621, 7843, 28831, 60283, 81251, 663113, 893761, 1868773, 20556503]

約数ペア:

[(1, 20556503), (11, 1868773), (23, 893761), (31, 663113), (253, 81251), (341, 60283), (713, 28831), (2621, 7843)]