20172195274

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{145381}}^1$

素因数の和:145471

約数の個数: 64

約数和(自身を含む): 40697655552

約数和(自身を除く): 20525460278

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 53, 77, 106, 119, 154, 187, 238, 371, 374, 583, 742, 901, 1166, 1309, 1802, 2618, 4081, 6307, 8162, 9911, 12614, 19822, 69377, 138754, 145381, 290762, 1017667, 1599191, 2035334, 2471477, 3198382, 4942954, 7705193, 11194337, 15410386, 17300339, 22388674, 27186247, 34600678, 53936351, 54372494, 84757123, 107872702, 130988281, 169514246, 190303729, 261976562, 380607458, 593299861, 916917967, 1186599722, 1440871091, 1833835934, 2881742182, 10086097637, 20172195274]

約数ペア:

[(1, 20172195274), (2, 10086097637), (7, 2881742182), (11, 1833835934), (14, 1440871091), (17, 1186599722), (22, 916917967), (34, 593299861), (53, 380607458), (77, 261976562), (106, 190303729), (119, 169514246), (154, 130988281), (187, 107872702), (238, 84757123), (371, 54372494), (374, 53936351), (583, 34600678), (742, 27186247), (901, 22388674), (1166, 17300339), (1309, 15410386), (1802, 11194337), (2618, 7705193), (4081, 4942954), (6307, 3198382), (8162, 2471477), (9911, 2035334), (12614, 1599191), (19822, 1017667), (69377, 290762), (138754, 145381)]