20478608

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75289}}^1$

素因数の和:75314

約数の個数: 20

約数和(自身を含む): 42011820

約数和(自身を除く): 21533212

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75289, 150578, 301156, 602312, 1204624, 1279913, 2559826, 5119652, 10239304, 20478608]

約数ペア:

[(1, 20478608), (2, 10239304), (4, 5119652), (8, 2559826), (16, 1279913), (17, 1204624), (34, 602312), (68, 301156), (136, 150578), (272, 75289)]