20849811

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{5099}}^1$

素因数の和:5178

約数の個数: 16

約数和(自身を含む): 29376000

約数和(自身を除く): 8526189

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 5099, 15297, 147871, 239653, 443613, 718959, 6949937, 20849811]

約数ペア:

[(1, 20849811), (3, 6949937), (29, 718959), (47, 443613), (87, 239653), (141, 147871), (1363, 15297), (4089, 5099)]