20805941412

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1949}}^1\times {\mathrm{15607}}^1$

素因数の和:17585

約数の個数: 72

約数和(自身を含む): 55392792000

約数和(自身を除く): 34586850588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 1949, 3898, 5847, 7796, 11694, 15607, 17541, 23388, 31214, 35082, 37031, 46821, 62428, 70164, 74062, 93642, 111093, 140463, 148124, 187284, 222186, 280926, 296533, 333279, 444372, 561852, 593066, 666558, 889599, 1186132, 1333116, 1779198, 2668797, 3558396, 5337594, 10675188, 30418043, 60836086, 91254129, 121672172, 182508258, 273762387, 365016516, 547524774, 577942817, 1095049548, 1155885634, 1733828451, 2311771268, 3467656902, 5201485353, 6935313804, 10402970706, 20805941412]

約数ペア:

[(1, 20805941412), (2, 10402970706), (3, 6935313804), (4, 5201485353), (6, 3467656902), (9, 2311771268), (12, 1733828451), (18, 1155885634), (19, 1095049548), (36, 577942817), (38, 547524774), (57, 365016516), (76, 273762387), (114, 182508258), (171, 121672172), (228, 91254129), (342, 60836086), (684, 30418043), (1949, 10675188), (3898, 5337594), (5847, 3558396), (7796, 2668797), (11694, 1779198), (15607, 1333116), (17541, 1186132), (23388, 889599), (31214, 666558), (35082, 593066), (37031, 561852), (46821, 444372), (62428, 333279), (70164, 296533), (74062, 280926), (93642, 222186), (111093, 187284), (140463, 148124)]