20329309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 28514304

約数和(自身を除く): 8184995

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 883, 1001, 1771, 2093, 3289, 6181, 9713, 11479, 20309, 23023, 67991, 80353, 126269, 142163, 223399, 264017, 883883, 1563793, 1848119, 2904187, 20329309]

約数ペア:

[(1, 20329309), (7, 2904187), (11, 1848119), (13, 1563793), (23, 883883), (77, 264017), (91, 223399), (143, 142163), (161, 126269), (253, 80353), (299, 67991), (883, 23023), (1001, 20309), (1771, 11479), (2093, 9713), (3289, 6181)]