20019374919

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{6967}}^1\times {\mathrm{8629}}^1$

素因数の和:15639

約数の個数: 24

約数和(自身を含む): 29706116960

約数和(自身を除く): 9686742041

約数列:

[1, 3, 9, 37, 111, 333, 6967, 8629, 20901, 25887, 62703, 77661, 257779, 319273, 773337, 957819, 2320011, 2873457, 60118243, 180354729, 541064187, 2224374991, 6673124973, 20019374919]

約数ペア:

[(1, 20019374919), (3, 6673124973), (9, 2224374991), (37, 541064187), (111, 180354729), (333, 60118243), (6967, 2873457), (8629, 2320011), (20901, 957819), (25887, 773337), (62703, 319273), (77661, 257779)]