20742416

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27583}}^1$

素因数の和:27638

約数の個数: 20

約数和(自身を含む): 41044992

約数和(自身を除く): 20302576

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27583, 55166, 110332, 220664, 441328, 1296401, 2592802, 5185604, 10371208, 20742416]

約数ペア:

[(1, 20742416), (2, 10371208), (4, 5185604), (8, 2592802), (16, 1296401), (47, 441328), (94, 220664), (188, 110332), (376, 55166), (752, 27583)]