20037017

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 27681024

約数和(自身を除く): 7644007

約数列:

[1, 7, 11, 13, 37, 77, 91, 143, 259, 407, 481, 541, 1001, 2849, 3367, 3787, 5291, 5951, 7033, 20017, 37037, 41657, 49231, 77363, 140119, 220187, 260221, 541541, 1541309, 1821547, 2862431, 20037017]

約数ペア:

[(1, 20037017), (7, 2862431), (11, 1821547), (13, 1541309), (37, 541541), (77, 260221), (91, 220187), (143, 140119), (259, 77363), (407, 49231), (481, 41657), (541, 37037), (1001, 20017), (2849, 7033), (3367, 5951), (3787, 5291)]