20754860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148249}}^1$

素因数の和:148265

約数の個数: 24

約数和(自身を含む): 49812000

約数和(自身を除く): 29057140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148249, 296498, 592996, 741245, 1037743, 1482490, 2075486, 2964980, 4150972, 5188715, 10377430, 20754860]

約数ペア:

[(1, 20754860), (2, 10377430), (4, 5188715), (5, 4150972), (7, 2964980), (10, 2075486), (14, 1482490), (20, 1037743), (28, 741245), (35, 592996), (70, 296498), (140, 148249)]