20207726

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 38814720

約数和(自身を除く): 18606994

約数列:

[1, 2, 7, 11, 14, 22, 77, 79, 121, 151, 154, 158, 242, 302, 553, 847, 869, 1057, 1106, 1661, 1694, 1738, 2114, 3322, 6083, 9559, 11627, 11929, 12166, 18271, 19118, 23254, 23858, 36542, 66913, 83503, 127897, 131219, 133826, 167006, 255794, 262438, 918533, 1443409, 1837066, 2886818, 10103863, 20207726]

約数ペア:

[(1, 20207726), (2, 10103863), (7, 2886818), (11, 1837066), (14, 1443409), (22, 918533), (77, 262438), (79, 255794), (121, 167006), (151, 133826), (154, 131219), (158, 127897), (242, 83503), (302, 66913), (553, 36542), (847, 23858), (869, 23254), (1057, 19118), (1106, 18271), (1661, 12166), (1694, 11929), (1738, 11627), (2114, 9559), (3322, 6083)]