20178406737

素因数分解:

$3^2\times {\mathrm{397}}^1\times {\mathrm{643}}^1\times {\mathrm{8783}}^1$

素因数の和:9829

約数の個数: 24

約数和(自身を含む): 29268779904

約数和(自身を除く): 9090373167

約数列:

[1, 3, 9, 397, 643, 1191, 1929, 3573, 5787, 8783, 26349, 79047, 255271, 765813, 2297439, 3486851, 5647469, 10460553, 16942407, 31381659, 50827221, 2242045193, 6726135579, 20178406737]

約数ペア:

[(1, 20178406737), (3, 6726135579), (9, 2242045193), (397, 50827221), (643, 31381659), (1191, 16942407), (1929, 10460553), (3573, 5647469), (5787, 3486851), (8783, 2297439), (26349, 765813), (79047, 255271)]