20904976

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56807}}^1$

素因数の和:56838

約数の個数: 20

約数和(自身を含む): 42265152

約数和(自身を除く): 21360176

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56807, 113614, 227228, 454456, 908912, 1306561, 2613122, 5226244, 10452488, 20904976]

約数ペア:

[(1, 20904976), (2, 10452488), (4, 5226244), (8, 2613122), (16, 1306561), (23, 908912), (46, 454456), (92, 227228), (184, 113614), (368, 56807)]