20450122

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 39711168

約数和(自身を除く): 19261046

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 97, 154, 194, 259, 407, 518, 679, 814, 1067, 1358, 1369, 2134, 2738, 2849, 3589, 5698, 7178, 7469, 9583, 14938, 15059, 19166, 25123, 30118, 39479, 50246, 78958, 105413, 132793, 210826, 265586, 276353, 552706, 929551, 1460723, 1859102, 2921446, 10225061, 20450122]

約数ペア:

[(1, 20450122), (2, 10225061), (7, 2921446), (11, 1859102), (14, 1460723), (22, 929551), (37, 552706), (74, 276353), (77, 265586), (97, 210826), (154, 132793), (194, 105413), (259, 78958), (407, 50246), (518, 39479), (679, 30118), (814, 25123), (1067, 19166), (1358, 15059), (1369, 14938), (2134, 9583), (2738, 7469), (2849, 7178), (3589, 5698)]