20836656

素因数分解:

$2^4\times 3^3\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:503

約数の個数: 80

約数和(自身を含む): 60412800

約数和(自身を除く): 39576144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 139, 144, 216, 278, 347, 417, 432, 556, 694, 834, 1041, 1112, 1251, 1388, 1668, 2082, 2224, 2502, 2776, 3123, 3336, 3753, 4164, 5004, 5552, 6246, 6672, 7506, 8328, 9369, 10008, 12492, 15012, 16656, 18738, 20016, 24984, 30024, 37476, 48233, 49968, 60048, 74952, 96466, 144699, 149904, 192932, 289398, 385864, 434097, 578796, 771728, 868194, 1157592, 1302291, 1736388, 2315184, 2604582, 3472776, 5209164, 6945552, 10418328, 20836656]

約数ペア:

[(1, 20836656), (2, 10418328), (3, 6945552), (4, 5209164), (6, 3472776), (8, 2604582), (9, 2315184), (12, 1736388), (16, 1302291), (18, 1157592), (24, 868194), (27, 771728), (36, 578796), (48, 434097), (54, 385864), (72, 289398), (108, 192932), (139, 149904), (144, 144699), (216, 96466), (278, 74952), (347, 60048), (417, 49968), (432, 48233), (556, 37476), (694, 30024), (834, 24984), (1041, 20016), (1112, 18738), (1251, 16656), (1388, 15012), (1668, 12492), (2082, 10008), (2224, 9369), (2502, 8328), (2776, 7506), (3123, 6672), (3336, 6246), (3753, 5552), (4164, 5004)]