20291556

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{41243}}^1$

素因数の和:41291

約数の個数: 24

約数和(自身を含む): 48502944

約数和(自身を除く): 28211388

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 41243, 82486, 123729, 164972, 247458, 494916, 1690963, 3381926, 5072889, 6763852, 10145778, 20291556]

約数ペア:

[(1, 20291556), (2, 10145778), (3, 6763852), (4, 5072889), (6, 3381926), (12, 1690963), (41, 494916), (82, 247458), (123, 164972), (164, 123729), (246, 82486), (492, 41243)]