20560536

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 59202000

約数和(自身を除く): 38641464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 43, 58, 72, 86, 87, 116, 129, 172, 174, 229, 232, 258, 261, 344, 348, 387, 458, 516, 522, 687, 696, 774, 916, 1032, 1044, 1247, 1374, 1548, 1832, 2061, 2088, 2494, 2748, 3096, 3741, 4122, 4988, 5496, 6641, 7482, 8244, 9847, 9976, 11223, 13282, 14964, 16488, 19694, 19923, 22446, 26564, 29541, 29928, 39388, 39846, 44892, 53128, 59082, 59769, 78776, 79692, 88623, 89784, 118164, 119538, 159384, 177246, 236328, 239076, 285563, 354492, 478152, 571126, 708984, 856689, 1142252, 1713378, 2284504, 2570067, 3426756, 5140134, 6853512, 10280268, 20560536]

約数ペア:

[(1, 20560536), (2, 10280268), (3, 6853512), (4, 5140134), (6, 3426756), (8, 2570067), (9, 2284504), (12, 1713378), (18, 1142252), (24, 856689), (29, 708984), (36, 571126), (43, 478152), (58, 354492), (72, 285563), (86, 239076), (87, 236328), (116, 177246), (129, 159384), (172, 119538), (174, 118164), (229, 89784), (232, 88623), (258, 79692), (261, 78776), (344, 59769), (348, 59082), (387, 53128), (458, 44892), (516, 39846), (522, 39388), (687, 29928), (696, 29541), (774, 26564), (916, 22446), (1032, 19923), (1044, 19694), (1247, 16488), (1374, 14964), (1548, 13282), (1832, 11223), (2061, 9976), (2088, 9847), (2494, 8244), (2748, 7482), (3096, 6641), (3741, 5496), (4122, 4988)]