20744528

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8053}}^1$

素因数の和:8091

約数の個数: 40

約数和(自身を含む): 47937408

約数和(自身を除く): 27192880

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8053, 16106, 32212, 56371, 64424, 112742, 128848, 185219, 225484, 370438, 450968, 740876, 901936, 1296533, 1481752, 2593066, 2963504, 5186132, 10372264, 20744528]

約数ペア:

[(1, 20744528), (2, 10372264), (4, 5186132), (7, 2963504), (8, 2593066), (14, 1481752), (16, 1296533), (23, 901936), (28, 740876), (46, 450968), (56, 370438), (92, 225484), (112, 185219), (161, 128848), (184, 112742), (322, 64424), (368, 56371), (644, 32212), (1288, 16106), (2576, 8053)]