20785936

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 41559840

約数和(自身を除く): 20773904

約数列:

[1, 2, 4, 8, 16, 59, 97, 118, 194, 227, 236, 388, 454, 472, 776, 908, 944, 1552, 1816, 3632, 5723, 11446, 13393, 22019, 22892, 26786, 44038, 45784, 53572, 88076, 91568, 107144, 176152, 214288, 352304, 1299121, 2598242, 5196484, 10392968, 20785936]

約数ペア:

[(1, 20785936), (2, 10392968), (4, 5196484), (8, 2598242), (16, 1299121), (59, 352304), (97, 214288), (118, 176152), (194, 107144), (227, 91568), (236, 88076), (388, 53572), (454, 45784), (472, 44038), (776, 26786), (908, 22892), (944, 22019), (1552, 13393), (1816, 11446), (3632, 5723)]