20965552

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14723}}^1$

素因数の和:14820

約数の個数: 20

約数和(自身を含む): 41079960

約数和(自身を除く): 20114408

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14723, 29446, 58892, 117784, 235568, 1310347, 2620694, 5241388, 10482776, 20965552]

約数ペア:

[(1, 20965552), (2, 10482776), (4, 5241388), (8, 2620694), (16, 1310347), (89, 235568), (178, 117784), (356, 58892), (712, 29446), (1424, 14723)]