20196782918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{43}}^1\times {\mathrm{3677}}^1$

素因数の和:3786

約数の個数: 64

約数和(自身を含む): 35480047680

約数和(自身を除く): 15283264762

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 289, 442, 559, 578, 731, 1118, 1462, 3677, 3757, 4913, 7354, 7514, 9503, 9826, 12427, 19006, 24854, 47801, 62509, 63869, 95602, 125018, 127738, 158111, 161551, 211259, 316222, 323102, 422518, 812617, 1062653, 1625234, 2055443, 2125306, 2687887, 2746367, 4110886, 5375774, 5492734, 13814489, 18065101, 27628978, 34942531, 36130202, 45694079, 69885062, 91388158, 234846313, 469692626, 594023027, 776799343, 1188046054, 1553598686, 10098391459, 20196782918]

約数ペア:

[(1, 20196782918), (2, 10098391459), (13, 1553598686), (17, 1188046054), (26, 776799343), (34, 594023027), (43, 469692626), (86, 234846313), (221, 91388158), (289, 69885062), (442, 45694079), (559, 36130202), (578, 34942531), (731, 27628978), (1118, 18065101), (1462, 13814489), (3677, 5492734), (3757, 5375774), (4913, 4110886), (7354, 2746367), (7514, 2687887), (9503, 2125306), (9826, 2055443), (12427, 1625234), (19006, 1062653), (24854, 812617), (47801, 422518), (62509, 323102), (63869, 316222), (95602, 211259), (125018, 161551), (127738, 158111)]