2116712420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{970969}}^1$

素因数の和:971087

約数の個数: 24

約数和(自身を含む): 4485881400

約数和(自身を除く): 2369168980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 970969, 1941938, 3883876, 4854845, 9709690, 19419380, 105835621, 211671242, 423342484, 529178105, 1058356210, 2116712420]

約数ペア:

[(1, 2116712420), (2, 1058356210), (4, 529178105), (5, 423342484), (10, 211671242), (20, 105835621), (109, 19419380), (218, 9709690), (436, 4854845), (545, 3883876), (1090, 1941938), (2180, 970969)]