20380451814

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{223367}}^1$

素因数の和:223549

約数の個数: 48

約数和(自身を含む): 45682329888

約数和(自身を除く): 25301878074

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 137, 222, 274, 333, 411, 666, 822, 1233, 2466, 5069, 10138, 15207, 30414, 45621, 91242, 223367, 446734, 670101, 1340202, 2010303, 4020606, 8264579, 16529158, 24793737, 30601279, 49587474, 61202558, 74381211, 91803837, 148762422, 183607674, 275411511, 550823022, 1132247323, 2264494646, 3396741969, 6793483938, 10190225907, 20380451814]

約数ペア:

[(1, 20380451814), (2, 10190225907), (3, 6793483938), (6, 3396741969), (9, 2264494646), (18, 1132247323), (37, 550823022), (74, 275411511), (111, 183607674), (137, 148762422), (222, 91803837), (274, 74381211), (333, 61202558), (411, 49587474), (666, 30601279), (822, 24793737), (1233, 16529158), (2466, 8264579), (5069, 4020606), (10138, 2010303), (15207, 1340202), (30414, 670101), (45621, 446734), (91242, 223367)]