20149648

素因数分解:

$2^4\times {\mathrm{977}}^1\times {\mathrm{1289}}^1$

素因数の和:2274

約数の個数: 20

約数和(自身を含む): 39110220

約数和(自身を除く): 18960572

約数列:

[1, 2, 4, 8, 16, 977, 1289, 1954, 2578, 3908, 5156, 7816, 10312, 15632, 20624, 1259353, 2518706, 5037412, 10074824, 20149648]

約数ペア:

[(1, 20149648), (2, 10074824), (4, 5037412), (8, 2518706), (16, 1259353), (977, 20624), (1289, 15632), (1954, 10312), (2578, 7816), (3908, 5156)]