20855921

素因数分解:

${\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:304

約数の個数: 16

約数和(自身を含む): 22256640

約数和(自身を除く): 1400719

約数列:

[1, 41, 47, 79, 137, 1927, 3239, 3713, 5617, 6439, 10823, 152233, 263999, 443743, 508681, 20855921]

約数ペア:

[(1, 20855921), (41, 508681), (47, 443743), (79, 263999), (137, 152233), (1927, 10823), (3239, 6439), (3713, 5617)]