20616912

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{4937}}^1$

素因数の和:4980

約数の個数: 60

約数和(自身を含む): 59700420

約数和(自身を除く): 39083508

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 4937, 9874, 14811, 19748, 29622, 39496, 44433, 59244, 78992, 88866, 118488, 143173, 177732, 236976, 286346, 355464, 429519, 572692, 710928, 859038, 1145384, 1288557, 1718076, 2290768, 2577114, 3436152, 5154228, 6872304, 10308456, 20616912]

約数ペア:

[(1, 20616912), (2, 10308456), (3, 6872304), (4, 5154228), (6, 3436152), (8, 2577114), (9, 2290768), (12, 1718076), (16, 1288557), (18, 1145384), (24, 859038), (29, 710928), (36, 572692), (48, 429519), (58, 355464), (72, 286346), (87, 236976), (116, 177732), (144, 143173), (174, 118488), (232, 88866), (261, 78992), (348, 59244), (464, 44433), (522, 39496), (696, 29622), (1044, 19748), (1392, 14811), (2088, 9874), (4176, 4937)]