20280848

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7873}}^1$

素因数の和:7911

約数の個数: 40

約数和(自身を含む): 46866048

約数和(自身を除く): 26585200

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7873, 15746, 31492, 55111, 62984, 110222, 125968, 181079, 220444, 362158, 440888, 724316, 881776, 1267553, 1448632, 2535106, 2897264, 5070212, 10140424, 20280848]

約数ペア:

[(1, 20280848), (2, 10140424), (4, 5070212), (7, 2897264), (8, 2535106), (14, 1448632), (16, 1267553), (23, 881776), (28, 724316), (46, 440888), (56, 362158), (92, 220444), (112, 181079), (161, 125968), (184, 110222), (322, 62984), (368, 55111), (644, 31492), (1288, 15746), (2576, 7873)]