20565118518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1\times {\mathrm{2087}}^1$

素因数の和:2526

約数の個数: 128

約数和(自身を含む): 51277805568

約数和(自身を除く): 30712687050

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 37, 42, 51, 74, 102, 111, 119, 222, 238, 259, 357, 373, 518, 629, 714, 746, 777, 1119, 1258, 1554, 1887, 2087, 2238, 2611, 3774, 4174, 4403, 5222, 6261, 6341, 7833, 8806, 12522, 12682, 13209, 13801, 14609, 15666, 19023, 26418, 27602, 29218, 35479, 38046, 41403, 43827, 44387, 70958, 77219, 82806, 87654, 88774, 96607, 106437, 133161, 154438, 193214, 212874, 231657, 234617, 248353, 266322, 289821, 463314, 469234, 496706, 540533, 579642, 703851, 745059, 778451, 1081066, 1312723, 1407702, 1490118, 1556902, 1621599, 1642319, 2335353, 2625446, 3243198, 3284638, 3938169, 4670706, 4926957, 5449157, 7876338, 9189061, 9853914, 10898314, 13233667, 16347471, 18378122, 26467334, 27567183, 28802687, 32694942, 39701001, 55134366, 57605374, 79402002, 86408061, 92635669, 172816122, 185271338, 201618809, 277907007, 403237618, 489645679, 555814014, 604856427, 979291358, 1209712854, 1468937037, 2937874074, 3427519753, 6855039506, 10282559259, 20565118518]

約数ペア:

[(1, 20565118518), (2, 10282559259), (3, 6855039506), (6, 3427519753), (7, 2937874074), (14, 1468937037), (17, 1209712854), (21, 979291358), (34, 604856427), (37, 555814014), (42, 489645679), (51, 403237618), (74, 277907007), (102, 201618809), (111, 185271338), (119, 172816122), (222, 92635669), (238, 86408061), (259, 79402002), (357, 57605374), (373, 55134366), (518, 39701001), (629, 32694942), (714, 28802687), (746, 27567183), (777, 26467334), (1119, 18378122), (1258, 16347471), (1554, 13233667), (1887, 10898314), (2087, 9853914), (2238, 9189061), (2611, 7876338), (3774, 5449157), (4174, 4926957), (4403, 4670706), (5222, 3938169), (6261, 3284638), (6341, 3243198), (7833, 2625446), (8806, 2335353), (12522, 1642319), (12682, 1621599), (13209, 1556902), (13801, 1490118), (14609, 1407702), (15666, 1312723), (19023, 1081066), (26418, 778451), (27602, 745059), (29218, 703851), (35479, 579642), (38046, 540533), (41403, 496706), (43827, 469234), (44387, 463314), (70958, 289821), (77219, 266322), (82806, 248353), (87654, 234617), (88774, 231657), (96607, 212874), (106437, 193214), (133161, 154438)]