20178765018

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{947}}^1\times {\mathrm{16673}}^1$

素因数の和:17699

約数の個数: 48

約数和(自身を含む): 44385921216

約数和(自身を除く): 24207156198

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 947, 1278, 1894, 2841, 5682, 8523, 16673, 17046, 33346, 50019, 67237, 100038, 134474, 150057, 201711, 300114, 403422, 605133, 1183783, 1210266, 2367566, 3551349, 7102698, 10654047, 15789331, 21308094, 31578662, 47367993, 94735986, 142103979, 284207958, 1121042501, 2242085002, 3363127503, 6726255006, 10089382509, 20178765018]

約数ペア:

[(1, 20178765018), (2, 10089382509), (3, 6726255006), (6, 3363127503), (9, 2242085002), (18, 1121042501), (71, 284207958), (142, 142103979), (213, 94735986), (426, 47367993), (639, 31578662), (947, 21308094), (1278, 15789331), (1894, 10654047), (2841, 7102698), (5682, 3551349), (8523, 2367566), (16673, 1210266), (17046, 1183783), (33346, 605133), (50019, 403422), (67237, 300114), (100038, 201711), (134474, 150057)]