20191995

素因数分解:

$3^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{797}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 35105616

約数和(自身を除く): 14913621

約数列:

[1, 3, 5, 9, 15, 45, 563, 797, 1689, 2391, 2815, 3985, 5067, 7173, 8445, 11955, 25335, 35865, 448711, 1346133, 2243555, 4038399, 6730665, 20191995]

約数ペア:

[(1, 20191995), (3, 6730665), (5, 4038399), (9, 2243555), (15, 1346133), (45, 448711), (563, 35865), (797, 25335), (1689, 11955), (2391, 8445), (2815, 7173), (3985, 5067)]