2019402020

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{364513}}^1$

素因数の和:364799

約数の個数: 24

約数和(自身を含む): 4256065464

約数和(自身を除く): 2236663444

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 364513, 729026, 1458052, 1822565, 3645130, 7290260, 100970101, 201940202, 403880404, 504850505, 1009701010, 2019402020]

約数ペア:

[(1, 2019402020), (2, 1009701010), (4, 504850505), (5, 403880404), (10, 201940202), (20, 100970101), (277, 7290260), (554, 3645130), (1108, 1822565), (1385, 1458052), (2770, 729026), (5540, 364513)]