20406475154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^2\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 33562372032

約数和(自身を除く): 13155896878

約数列:

[1, 2, 13, 26, 103, 167, 206, 334, 443, 886, 1339, 2171, 2678, 4342, 5759, 10609, 11518, 17201, 21218, 34402, 45629, 73981, 91258, 137917, 147962, 223613, 275834, 447226, 593177, 961753, 1186354, 1771703, 1923506, 3543406, 4699787, 7620043, 9399574, 15240086, 23032139, 46064278, 61097231, 99060559, 122194462, 198121118, 784864429, 1569728858, 10203237577, 20406475154]

約数ペア:

[(1, 20406475154), (2, 10203237577), (13, 1569728858), (26, 784864429), (103, 198121118), (167, 122194462), (206, 99060559), (334, 61097231), (443, 46064278), (886, 23032139), (1339, 15240086), (2171, 9399574), (2678, 7620043), (4342, 4699787), (5759, 3543406), (10609, 1923506), (11518, 1771703), (17201, 1186354), (21218, 961753), (34402, 593177), (45629, 447226), (73981, 275834), (91258, 223613), (137917, 147962)]