20742448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76259}}^1$

素因数の和:76284

約数の個数: 20

約数和(自身を含む): 42553080

約数和(自身を除く): 21810632

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76259, 152518, 305036, 610072, 1220144, 1296403, 2592806, 5185612, 10371224, 20742448]

約数ペア:

[(1, 20742448), (2, 10371224), (4, 5185612), (8, 2592806), (16, 1296403), (17, 1220144), (34, 610072), (68, 305036), (136, 152518), (272, 76259)]