20915470

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44501}}^1$

素因数の和:44555

約数の個数: 16

約数和(自身を含む): 38449728

約数和(自身を除く): 17534258

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44501, 89002, 222505, 445010, 2091547, 4183094, 10457735, 20915470]

約数ペア:

[(1, 20915470), (2, 10457735), (5, 4183094), (10, 2091547), (47, 445010), (94, 222505), (235, 89002), (470, 44501)]