20199932921

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{2843}}^1\times {\mathrm{3919}}^1$

素因数の和:6813

約数の個数: 24

約数和(自身を含む): 24147607680

約数和(自身を除く): 3947674759

約数列:

[1, 7, 37, 49, 259, 1813, 2843, 3919, 19901, 27433, 105191, 139307, 145003, 192031, 736337, 1015021, 5154359, 7105147, 11141717, 77992019, 412243529, 545944133, 2885704703, 20199932921]

約数ペア:

[(1, 20199932921), (7, 2885704703), (37, 545944133), (49, 412243529), (259, 77992019), (1813, 11141717), (2843, 7105147), (3919, 5154359), (19901, 1015021), (27433, 736337), (105191, 192031), (139307, 145003)]