20123793333

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{15937}}^1$

素因数の和:16104

約数の個数: 80

約数和(自身を含む): 36656889984

約数和(自身を除く): 16533096651

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 131, 153, 189, 357, 393, 459, 567, 917, 1071, 1179, 1377, 2227, 2751, 3213, 3537, 6681, 8253, 9639, 10611, 15589, 15937, 20043, 24759, 46767, 47811, 60129, 74277, 111559, 140301, 143433, 180387, 270929, 334677, 420903, 430299, 812787, 1004031, 1262709, 1290897, 1896503, 2087747, 2438361, 3012093, 5689509, 6263241, 7315083, 9036279, 14614229, 17068527, 18789723, 21945249, 35491699, 43842687, 51205581, 56369169, 106475097, 131528061, 153616743, 169107507, 248441893, 319425291, 394584183, 745325679, 958275873, 1183752549, 2235977037, 2874827619, 6707931111, 20123793333]

約数ペア:

[(1, 20123793333), (3, 6707931111), (7, 2874827619), (9, 2235977037), (17, 1183752549), (21, 958275873), (27, 745325679), (51, 394584183), (63, 319425291), (81, 248441893), (119, 169107507), (131, 153616743), (153, 131528061), (189, 106475097), (357, 56369169), (393, 51205581), (459, 43842687), (567, 35491699), (917, 21945249), (1071, 18789723), (1179, 17068527), (1377, 14614229), (2227, 9036279), (2751, 7315083), (3213, 6263241), (3537, 5689509), (6681, 3012093), (8253, 2438361), (9639, 2087747), (10611, 1896503), (15589, 1290897), (15937, 1262709), (20043, 1004031), (24759, 812787), (46767, 430299), (47811, 420903), (60129, 334677), (74277, 270929), (111559, 180387), (140301, 143433)]