20106918279

素因数分解:

$3^4\times 7^3\times {\mathrm{677}}^1\times {\mathrm{1069}}^1$

素因数の和:1779

約数の個数: 80

約数和(自身を含む): 35112264000

約数和(自身を除く): 15005345721

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 677, 1029, 1069, 1323, 2031, 3087, 3207, 3969, 4739, 6093, 7483, 9261, 9621, 14217, 18279, 22449, 27783, 28863, 33173, 42651, 52381, 54837, 67347, 86589, 99519, 127953, 157143, 202041, 232211, 298557, 366667, 383859, 471429, 606123, 696633, 723713, 895671, 1100001, 1414287, 2089899, 2171139, 2687013, 3300003, 4242861, 5065991, 6269697, 6513417, 9900009, 15197973, 18809091, 19540251, 29700027, 35461937, 45593919, 58620753, 106385811, 136781757, 248233559, 319157433, 410345271, 744700677, 957472299, 2234102031, 2872416897, 6702306093, 20106918279]

約数ペア:

[(1, 20106918279), (3, 6702306093), (7, 2872416897), (9, 2234102031), (21, 957472299), (27, 744700677), (49, 410345271), (63, 319157433), (81, 248233559), (147, 136781757), (189, 106385811), (343, 58620753), (441, 45593919), (567, 35461937), (677, 29700027), (1029, 19540251), (1069, 18809091), (1323, 15197973), (2031, 9900009), (3087, 6513417), (3207, 6269697), (3969, 5065991), (4739, 4242861), (6093, 3300003), (7483, 2687013), (9261, 2171139), (9621, 2089899), (14217, 1414287), (18279, 1100001), (22449, 895671), (27783, 723713), (28863, 696633), (33173, 606123), (42651, 471429), (52381, 383859), (54837, 366667), (67347, 298557), (86589, 232211), (99519, 202041), (127953, 157143)]