20751302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 38292912

約数和(自身を除く): 17541610

約数列:

[1, 2, 11, 13, 22, 26, 37, 53, 74, 106, 143, 286, 407, 481, 583, 689, 814, 962, 1166, 1369, 1378, 1961, 2738, 3922, 5291, 7579, 10582, 15059, 15158, 17797, 21571, 25493, 30118, 35594, 43142, 50986, 72557, 145114, 195767, 280423, 391534, 560846, 798127, 943241, 1596254, 1886482, 10375651, 20751302]

約数ペア:

[(1, 20751302), (2, 10375651), (11, 1886482), (13, 1596254), (22, 943241), (26, 798127), (37, 560846), (53, 391534), (74, 280423), (106, 195767), (143, 145114), (286, 72557), (407, 50986), (481, 43142), (583, 35594), (689, 30118), (814, 25493), (962, 21571), (1166, 17797), (1369, 15158), (1378, 15059), (1961, 10582), (2738, 7579), (3922, 5291)]