20797936

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76463}}^1$

素因数の和:76488

約数の個数: 20

約数和(自身を含む): 42666912

約数和(自身を除く): 21868976

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76463, 152926, 305852, 611704, 1223408, 1299871, 2599742, 5199484, 10398968, 20797936]

約数ペア:

[(1, 20797936), (2, 10398968), (4, 5199484), (8, 2599742), (16, 1299871), (17, 1223408), (34, 611704), (68, 305852), (136, 152926), (272, 76463)]