2040145919

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{857}}^1\times {\mathrm{2557}}^1$

素因数の和:3447

約数の個数: 24

約数和(自身を含む): 2502030960

約数和(自身を除く): 461885041

約数列:

[1, 7, 19, 49, 133, 857, 931, 2557, 5999, 16283, 17899, 41993, 48583, 113981, 125293, 340081, 797867, 2191349, 2380567, 15339443, 41635631, 107376101, 291449417, 2040145919]

約数ペア:

[(1, 2040145919), (7, 291449417), (19, 107376101), (49, 41635631), (133, 15339443), (857, 2380567), (931, 2191349), (2557, 797867), (5999, 340081), (16283, 125293), (17899, 113981), (41993, 48583)]