20018803995

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1\times {\mathrm{1063}}^1$

素因数の和:1977

約数の個数: 64

約数和(自身を含む): 35852544000

約数和(自身を除く): 15833740005

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 701, 995, 1063, 1791, 2103, 2985, 3189, 3505, 5315, 5373, 6309, 8955, 9567, 10515, 15945, 18927, 26865, 28701, 31545, 47835, 94635, 139499, 143505, 211537, 418497, 634611, 697495, 745163, 1057685, 1255491, 1903833, 2092485, 2235489, 3173055, 3725815, 3766473, 5711499, 6277455, 6706467, 9519165, 11177445, 18832365, 20119401, 28557495, 33532335, 100597005, 148287437, 444862311, 741437185, 1334586933, 2224311555, 4003760799, 6672934665, 20018803995]

約数ペア:

[(1, 20018803995), (3, 6672934665), (5, 4003760799), (9, 2224311555), (15, 1334586933), (27, 741437185), (45, 444862311), (135, 148287437), (199, 100597005), (597, 33532335), (701, 28557495), (995, 20119401), (1063, 18832365), (1791, 11177445), (2103, 9519165), (2985, 6706467), (3189, 6277455), (3505, 5711499), (5315, 3766473), (5373, 3725815), (6309, 3173055), (8955, 2235489), (9567, 2092485), (10515, 1903833), (15945, 1255491), (18927, 1057685), (26865, 745163), (28701, 697495), (31545, 634611), (47835, 418497), (94635, 211537), (139499, 143505)]