20886372

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{3433}}^1$

素因数の和:3469

約数の個数: 54

約数和(自身を含む): 57186402

約数和(自身を除く): 36300030

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 3433, 6084, 6866, 10299, 13732, 20598, 30897, 41196, 44629, 61794, 89258, 123588, 133887, 178516, 267774, 401661, 535548, 580177, 803322, 1160354, 1606644, 1740531, 2320708, 3481062, 5221593, 6962124, 10443186, 20886372]

約数ペア:

[(1, 20886372), (2, 10443186), (3, 6962124), (4, 5221593), (6, 3481062), (9, 2320708), (12, 1740531), (13, 1606644), (18, 1160354), (26, 803322), (36, 580177), (39, 535548), (52, 401661), (78, 267774), (117, 178516), (156, 133887), (169, 123588), (234, 89258), (338, 61794), (468, 44629), (507, 41196), (676, 30897), (1014, 20598), (1521, 13732), (2028, 10299), (3042, 6866), (3433, 6084)]