20599702916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{19183}}^1$

素因数の和:19500

約数の個数: 48

約数和(自身を含む): 39390430464

約数和(自身を除く): 18790727548

約数列:

[1, 2, 4, 13, 26, 52, 107, 193, 214, 386, 428, 772, 1391, 2509, 2782, 5018, 5564, 10036, 19183, 20651, 38366, 41302, 76732, 82604, 249379, 268463, 498758, 536926, 997516, 1073852, 2052581, 3702319, 4105162, 7404638, 8210324, 14809276, 26683553, 48130147, 53367106, 96260294, 106734212, 192520588, 396148133, 792296266, 1584592532, 5149925729, 10299851458, 20599702916]

約数ペア:

[(1, 20599702916), (2, 10299851458), (4, 5149925729), (13, 1584592532), (26, 792296266), (52, 396148133), (107, 192520588), (193, 106734212), (214, 96260294), (386, 53367106), (428, 48130147), (772, 26683553), (1391, 14809276), (2509, 8210324), (2782, 7404638), (5018, 4105162), (5564, 3702319), (10036, 2052581), (19183, 1073852), (20651, 997516), (38366, 536926), (41302, 498758), (76732, 268463), (82604, 249379)]