20413216

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{21997}}^1$

素因数の和:22036

約数の個数: 24

約数和(自身を含む): 41576220

約数和(自身を除く): 21163004

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 21997, 43994, 87988, 175976, 351952, 637913, 703904, 1275826, 2551652, 5103304, 10206608, 20413216]

約数ペア:

[(1, 20413216), (2, 10206608), (4, 5103304), (8, 2551652), (16, 1275826), (29, 703904), (32, 637913), (58, 351952), (116, 175976), (232, 87988), (464, 43994), (928, 21997)]