20689128072

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{971}}^1\times {\mathrm{2129}}^1$

素因数の和:3251

約数の個数: 96

約数和(自身を含む): 56520828000

約数和(自身を除く): 35831699928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 971, 1112, 1251, 1668, 1942, 2129, 2502, 2913, 3336, 3884, 4258, 5004, 5826, 6387, 7768, 8516, 8739, 10008, 11652, 12774, 17032, 17478, 19161, 23304, 25548, 34956, 38322, 51096, 69912, 76644, 134969, 153288, 269938, 295931, 404907, 539876, 591862, 809814, 887793, 1079752, 1183724, 1214721, 1619628, 1775586, 2067259, 2367448, 2429442, 2663379, 3239256, 3551172, 4134518, 4858884, 5326758, 6201777, 7102344, 8269036, 9717768, 10653516, 12403554, 16538072, 18605331, 21307032, 24807108, 37210662, 49614216, 74421324, 148842648, 287349001, 574698002, 862047003, 1149396004, 1724094006, 2298792008, 2586141009, 3448188012, 5172282018, 6896376024, 10344564036, 20689128072]

約数ペア:

[(1, 20689128072), (2, 10344564036), (3, 6896376024), (4, 5172282018), (6, 3448188012), (8, 2586141009), (9, 2298792008), (12, 1724094006), (18, 1149396004), (24, 862047003), (36, 574698002), (72, 287349001), (139, 148842648), (278, 74421324), (417, 49614216), (556, 37210662), (834, 24807108), (971, 21307032), (1112, 18605331), (1251, 16538072), (1668, 12403554), (1942, 10653516), (2129, 9717768), (2502, 8269036), (2913, 7102344), (3336, 6201777), (3884, 5326758), (4258, 4858884), (5004, 4134518), (5826, 3551172), (6387, 3239256), (7768, 2663379), (8516, 2429442), (8739, 2367448), (10008, 2067259), (11652, 1775586), (12774, 1619628), (17032, 1214721), (17478, 1183724), (19161, 1079752), (23304, 887793), (25548, 809814), (34956, 591862), (38322, 539876), (51096, 404907), (69912, 295931), (76644, 269938), (134969, 153288)]