20896162

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4621}}^1$

素因数の和:4666

約数の個数: 32

約数和(自身を含む): 39934080

約数和(自身を除く): 19037918

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 4621, 9242, 32347, 64694, 78557, 87799, 157114, 175598, 549899, 614593, 1099798, 1229186, 1492583, 2985166, 10448081, 20896162]

約数ペア:

[(1, 20896162), (2, 10448081), (7, 2985166), (14, 1492583), (17, 1229186), (19, 1099798), (34, 614593), (38, 549899), (119, 175598), (133, 157114), (238, 87799), (266, 78557), (323, 64694), (646, 32347), (2261, 9242), (4522, 4621)]