20162230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 42038640

約数和(自身を除く): 21876410

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 877, 1045, 1210, 1754, 2090, 2299, 4385, 4598, 8770, 9647, 11495, 16663, 19294, 22990, 33326, 48235, 83315, 96470, 106117, 166630, 183293, 212234, 366586, 530585, 916465, 1061170, 1832930, 2016223, 4032446, 10081115, 20162230]

約数ペア:

[(1, 20162230), (2, 10081115), (5, 4032446), (10, 2016223), (11, 1832930), (19, 1061170), (22, 916465), (38, 530585), (55, 366586), (95, 212234), (110, 183293), (121, 166630), (190, 106117), (209, 96470), (242, 83315), (418, 48235), (605, 33326), (877, 22990), (1045, 19294), (1210, 16663), (1754, 11495), (2090, 9647), (2299, 8770), (4385, 4598)]