20725488

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:759

約数の個数: 120

約数和(自身を含む): 68671200

約数和(自身を除く): 47945712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 36, 42, 48, 56, 58, 63, 72, 84, 87, 112, 116, 126, 144, 168, 174, 203, 232, 252, 261, 336, 348, 406, 464, 504, 522, 609, 696, 709, 812, 1008, 1044, 1218, 1392, 1418, 1624, 1827, 2088, 2127, 2436, 2836, 3248, 3654, 4176, 4254, 4872, 4963, 5672, 6381, 7308, 8508, 9744, 9926, 11344, 12762, 14616, 14889, 17016, 19852, 20561, 25524, 29232, 29778, 34032, 39704, 41122, 44667, 51048, 59556, 61683, 79408, 82244, 89334, 102096, 119112, 123366, 143927, 164488, 178668, 185049, 238224, 246732, 287854, 328976, 357336, 370098, 431781, 493464, 575708, 714672, 740196, 863562, 986928, 1151416, 1295343, 1480392, 1727124, 2302832, 2590686, 2960784, 3454248, 5181372, 6908496, 10362744, 20725488]

約数ペア:

[(1, 20725488), (2, 10362744), (3, 6908496), (4, 5181372), (6, 3454248), (7, 2960784), (8, 2590686), (9, 2302832), (12, 1727124), (14, 1480392), (16, 1295343), (18, 1151416), (21, 986928), (24, 863562), (28, 740196), (29, 714672), (36, 575708), (42, 493464), (48, 431781), (56, 370098), (58, 357336), (63, 328976), (72, 287854), (84, 246732), (87, 238224), (112, 185049), (116, 178668), (126, 164488), (144, 143927), (168, 123366), (174, 119112), (203, 102096), (232, 89334), (252, 82244), (261, 79408), (336, 61683), (348, 59556), (406, 51048), (464, 44667), (504, 41122), (522, 39704), (609, 34032), (696, 29778), (709, 29232), (812, 25524), (1008, 20561), (1044, 19852), (1218, 17016), (1392, 14889), (1418, 14616), (1624, 12762), (1827, 11344), (2088, 9926), (2127, 9744), (2436, 8508), (2836, 7308), (3248, 6381), (3654, 5672), (4176, 4963), (4254, 4872)]