20161156360340

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{989261843}}^1$

素因数の和:989262871

約数の個数: 24

約数和(自身を含む): 42379977396960

約数和(自身を除く): 22218821036620

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 4076, 5095, 10190, 20380, 989261843, 1978523686, 3957047372, 4946309215, 9892618430, 19785236860, 1008057818017, 2016115636034, 4032231272068, 5040289090085, 10080578180170, 20161156360340]

約数ペア:

[(1, 20161156360340), (2, 10080578180170), (4, 5040289090085), (5, 4032231272068), (10, 2016115636034), (20, 1008057818017), (1019, 19785236860), (2038, 9892618430), (4076, 4946309215), (5095, 3957047372), (10190, 1978523686), (20380, 989261843)]