20968656

素因数分解:

$2^4\times 3^1\times {\mathrm{389}}^1\times {\mathrm{1123}}^1$

素因数の和:1523

約数の個数: 40

約数和(自身を含む): 54356640

約数和(自身を除く): 33387984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 389, 778, 1123, 1167, 1556, 2246, 2334, 3112, 3369, 4492, 4668, 6224, 6738, 8984, 9336, 13476, 17968, 18672, 26952, 53904, 436847, 873694, 1310541, 1747388, 2621082, 3494776, 5242164, 6989552, 10484328, 20968656]

約数ペア:

[(1, 20968656), (2, 10484328), (3, 6989552), (4, 5242164), (6, 3494776), (8, 2621082), (12, 1747388), (16, 1310541), (24, 873694), (48, 436847), (389, 53904), (778, 26952), (1123, 18672), (1167, 17968), (1556, 13476), (2246, 9336), (2334, 8984), (3112, 6738), (3369, 6224), (4492, 4668)]