20175793953

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1901}}^1$

素因数の和:2103

約数の個数: 96

約数和(自身を含む): 34470448128

約数和(自身を除く): 14294654175

約数列:

[1, 3, 7, 17, 21, 31, 49, 51, 93, 119, 137, 147, 217, 357, 411, 527, 651, 833, 959, 1519, 1581, 1901, 2329, 2499, 2877, 3689, 4247, 4557, 5703, 6713, 6987, 11067, 12741, 13307, 16303, 20139, 25823, 29729, 32317, 39921, 48909, 58931, 72199, 77469, 89187, 93149, 96951, 114121, 176793, 208103, 216597, 226219, 260437, 279447, 342363, 412517, 505393, 624309, 678657, 781311, 1001827, 1237551, 1516179, 1583533, 1823059, 2887619, 3005481, 3537751, 4427429, 4750599, 5469177, 7012789, 8073547, 8662857, 10613253, 12761413, 13282287, 21038367, 24220641, 30992003, 38284239, 49089523, 56514829, 92976009, 137250299, 147268569, 169544487, 216944021, 395603803, 411750897, 650832063, 960752093, 1186811409, 2882256279, 6725264651, 20175793953]

約数ペア:

[(1, 20175793953), (3, 6725264651), (7, 2882256279), (17, 1186811409), (21, 960752093), (31, 650832063), (49, 411750897), (51, 395603803), (93, 216944021), (119, 169544487), (137, 147268569), (147, 137250299), (217, 92976009), (357, 56514829), (411, 49089523), (527, 38284239), (651, 30992003), (833, 24220641), (959, 21038367), (1519, 13282287), (1581, 12761413), (1901, 10613253), (2329, 8662857), (2499, 8073547), (2877, 7012789), (3689, 5469177), (4247, 4750599), (4557, 4427429), (5703, 3537751), (6713, 3005481), (6987, 2887619), (11067, 1823059), (12741, 1583533), (13307, 1516179), (16303, 1237551), (20139, 1001827), (25823, 781311), (29729, 678657), (32317, 624309), (39921, 505393), (48909, 412517), (58931, 342363), (72199, 279447), (77469, 260437), (89187, 226219), (93149, 216597), (96951, 208103), (114121, 176793)]