20085533140

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{907}}^1\times {\mathrm{1289}}^1$

素因数の和:3064

約数の個数: 48

約数和(自身を含む): 42308078400

約数和(自身を除く): 22222545260

約数列:

[1, 2, 4, 5, 10, 20, 859, 907, 1289, 1718, 1814, 2578, 3436, 3628, 4295, 4535, 5156, 6445, 8590, 9070, 12890, 17180, 18140, 25780, 779113, 1107251, 1169123, 1558226, 2214502, 2338246, 3116452, 3895565, 4429004, 4676492, 5536255, 5845615, 7791130, 11072510, 11691230, 15582260, 22145020, 23382460, 1004276657, 2008553314, 4017106628, 5021383285, 10042766570, 20085533140]

約数ペア:

[(1, 20085533140), (2, 10042766570), (4, 5021383285), (5, 4017106628), (10, 2008553314), (20, 1004276657), (859, 23382460), (907, 22145020), (1289, 15582260), (1718, 11691230), (1814, 11072510), (2578, 7791130), (3436, 5845615), (3628, 5536255), (4295, 4676492), (4535, 4429004), (5156, 3895565), (6445, 3116452), (8590, 2338246), (9070, 2214502), (12890, 1558226), (17180, 1169123), (18140, 1107251), (25780, 779113)]