20809870818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1\times {\mathrm{5107}}^1$

素因数の和:5807

約数の個数: 64

約数和(自身を含む): 45916098048

約数和(自身を除く): 25106227230

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 107, 214, 321, 577, 642, 1154, 1177, 1731, 2354, 3462, 3531, 5107, 6347, 7062, 10214, 12694, 15321, 19041, 30642, 38082, 56177, 61739, 112354, 123478, 168531, 185217, 337062, 370434, 546449, 679129, 1092898, 1358258, 1639347, 2037387, 2946739, 3278694, 4074774, 5893478, 6010939, 8840217, 12021878, 17680434, 18032817, 32414129, 36065634, 64828258, 97242387, 194484774, 315301073, 630602146, 945903219, 1891806438, 3468311803, 6936623606, 10404935409, 20809870818]

約数ペア:

[(1, 20809870818), (2, 10404935409), (3, 6936623606), (6, 3468311803), (11, 1891806438), (22, 945903219), (33, 630602146), (66, 315301073), (107, 194484774), (214, 97242387), (321, 64828258), (577, 36065634), (642, 32414129), (1154, 18032817), (1177, 17680434), (1731, 12021878), (2354, 8840217), (3462, 6010939), (3531, 5893478), (5107, 4074774), (6347, 3278694), (7062, 2946739), (10214, 2037387), (12694, 1639347), (15321, 1358258), (19041, 1092898), (30642, 679129), (38082, 546449), (56177, 370434), (61739, 337062), (112354, 185217), (123478, 168531)]