20577616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75653}}^1$

素因数の和:75678

約数の個数: 20

約数和(自身を含む): 42214932

約数和(自身を除く): 21637316

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75653, 151306, 302612, 605224, 1210448, 1286101, 2572202, 5144404, 10288808, 20577616]

約数ペア:

[(1, 20577616), (2, 10288808), (4, 5144404), (8, 2572202), (16, 1286101), (17, 1210448), (34, 605224), (68, 302612), (136, 151306), (272, 75653)]