20215171438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3052729}}^1$

素因数の和:3052792

約数の個数: 32

約数和(自身を含む): 38684194560

約数和(自身を除く): 18469023122

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 154, 301, 473, 602, 946, 3311, 6622, 3052729, 6105458, 21369103, 33580019, 42738206, 67160038, 131267347, 235060133, 262534694, 470120266, 918871429, 1443940817, 1837742858, 2887881634, 10107585719, 20215171438]

約数ペア:

[(1, 20215171438), (2, 10107585719), (7, 2887881634), (11, 1837742858), (14, 1443940817), (22, 918871429), (43, 470120266), (77, 262534694), (86, 235060133), (154, 131267347), (301, 67160038), (473, 42738206), (602, 33580019), (946, 21369103), (3311, 6105458), (6622, 3052729)]