20890224

素因数分解:

$2^4\times 3^8\times {\mathrm{199}}^1$

素因数の和:231

約数の個数: 90

約数和(自身を含む): 61014200

約数和(自身を除く): 40123976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 199, 216, 243, 324, 398, 432, 486, 597, 648, 729, 796, 972, 1194, 1296, 1458, 1592, 1791, 1944, 2187, 2388, 2916, 3184, 3582, 3888, 4374, 4776, 5373, 5832, 6561, 7164, 8748, 9552, 10746, 11664, 13122, 14328, 16119, 17496, 21492, 26244, 28656, 32238, 34992, 42984, 48357, 52488, 64476, 85968, 96714, 104976, 128952, 145071, 193428, 257904, 290142, 386856, 435213, 580284, 773712, 870426, 1160568, 1305639, 1740852, 2321136, 2611278, 3481704, 5222556, 6963408, 10445112, 20890224]

約数ペア:

[(1, 20890224), (2, 10445112), (3, 6963408), (4, 5222556), (6, 3481704), (8, 2611278), (9, 2321136), (12, 1740852), (16, 1305639), (18, 1160568), (24, 870426), (27, 773712), (36, 580284), (48, 435213), (54, 386856), (72, 290142), (81, 257904), (108, 193428), (144, 145071), (162, 128952), (199, 104976), (216, 96714), (243, 85968), (324, 64476), (398, 52488), (432, 48357), (486, 42984), (597, 34992), (648, 32238), (729, 28656), (796, 26244), (972, 21492), (1194, 17496), (1296, 16119), (1458, 14328), (1592, 13122), (1791, 11664), (1944, 10746), (2187, 9552), (2388, 8748), (2916, 7164), (3184, 6561), (3582, 5832), (3888, 5373), (4374, 4776)]