20893968

素因数分解:

$2^4\times 3^2\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:776

約数の個数: 60

約数和(自身を含む): 58781580

約数和(自身を除く): 37887612

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 373, 389, 746, 778, 1119, 1167, 1492, 1556, 2238, 2334, 2984, 3112, 3357, 3501, 4476, 4668, 5968, 6224, 6714, 7002, 8952, 9336, 13428, 14004, 17904, 18672, 26856, 28008, 53712, 56016, 145097, 290194, 435291, 580388, 870582, 1160776, 1305873, 1741164, 2321552, 2611746, 3482328, 5223492, 6964656, 10446984, 20893968]

約数ペア:

[(1, 20893968), (2, 10446984), (3, 6964656), (4, 5223492), (6, 3482328), (8, 2611746), (9, 2321552), (12, 1741164), (16, 1305873), (18, 1160776), (24, 870582), (36, 580388), (48, 435291), (72, 290194), (144, 145097), (373, 56016), (389, 53712), (746, 28008), (778, 26856), (1119, 18672), (1167, 17904), (1492, 14004), (1556, 13428), (2238, 9336), (2334, 8952), (2984, 7002), (3112, 6714), (3357, 6224), (3501, 5968), (4476, 4668)]