2064460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1065

約数の個数: 24

約数和(自身を含む): 4379760

約数和(自身を除く): 2315300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 947, 1090, 1894, 2180, 3788, 4735, 9470, 18940, 103223, 206446, 412892, 516115, 1032230, 2064460]

約数ペア:

[(1, 2064460), (2, 1032230), (4, 516115), (5, 412892), (10, 206446), (20, 103223), (109, 18940), (218, 9470), (436, 4735), (545, 3788), (947, 2180), (1090, 1894)]