20091005636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1\times {\mathrm{359}}^1$

素因数の和:789

約数の個数: 96

約数和(自身を含む): 39626496000

約数和(自身を除く): 19535490364

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 149, 233, 298, 359, 403, 466, 596, 718, 806, 932, 1436, 1612, 1937, 3029, 3874, 4619, 4667, 6058, 7223, 7748, 9238, 9334, 11129, 12116, 14446, 18476, 18668, 22258, 28892, 34717, 44516, 53491, 60047, 69434, 83647, 93899, 106982, 120094, 138868, 144677, 167294, 187798, 213964, 240188, 289354, 334588, 375596, 451321, 578708, 695383, 902642, 1076227, 1087411, 1390766, 1658221, 1805284, 2152454, 2174822, 2593057, 2781532, 3316442, 4304908, 4349644, 5186114, 6632884, 10372228, 12463403, 13990951, 21556873, 24926806, 27981902, 33709741, 43113746, 49853612, 55963804, 67419482, 86227492, 134838964, 162024239, 324048478, 386365493, 648096956, 772730986, 1545461972, 5022751409, 10045502818, 20091005636]

約数ペア:

[(1, 20091005636), (2, 10045502818), (4, 5022751409), (13, 1545461972), (26, 772730986), (31, 648096956), (52, 386365493), (62, 324048478), (124, 162024239), (149, 134838964), (233, 86227492), (298, 67419482), (359, 55963804), (403, 49853612), (466, 43113746), (596, 33709741), (718, 27981902), (806, 24926806), (932, 21556873), (1436, 13990951), (1612, 12463403), (1937, 10372228), (3029, 6632884), (3874, 5186114), (4619, 4349644), (4667, 4304908), (6058, 3316442), (7223, 2781532), (7748, 2593057), (9238, 2174822), (9334, 2152454), (11129, 1805284), (12116, 1658221), (14446, 1390766), (18476, 1087411), (18668, 1076227), (22258, 902642), (28892, 695383), (34717, 578708), (44516, 451321), (53491, 375596), (60047, 334588), (69434, 289354), (83647, 240188), (93899, 213964), (106982, 187798), (120094, 167294), (138868, 144677)]