20237640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1231}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 61205760

約数和(自身を除く): 40968120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1231, 1370, 1644, 2055, 2462, 2740, 3288, 3693, 4110, 4924, 5480, 6155, 7386, 8220, 9848, 12310, 14772, 16440, 18465, 24620, 29544, 36930, 49240, 73860, 147720, 168647, 337294, 505941, 674588, 843235, 1011882, 1349176, 1686470, 2023764, 2529705, 3372940, 4047528, 5059410, 6745880, 10118820, 20237640]

約数ペア:

[(1, 20237640), (2, 10118820), (3, 6745880), (4, 5059410), (5, 4047528), (6, 3372940), (8, 2529705), (10, 2023764), (12, 1686470), (15, 1349176), (20, 1011882), (24, 843235), (30, 674588), (40, 505941), (60, 337294), (120, 168647), (137, 147720), (274, 73860), (411, 49240), (548, 36930), (685, 29544), (822, 24620), (1096, 18465), (1231, 16440), (1370, 14772), (1644, 12310), (2055, 9848), (2462, 8220), (2740, 7386), (3288, 6155), (3693, 5480), (4110, 4924)]