20885776

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{19483}}^1$

素因数の和:19558

約数の個数: 20

約数和(自身を含む): 41072272

約数和(自身を除く): 20186496

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 19483, 38966, 77932, 155864, 311728, 1305361, 2610722, 5221444, 10442888, 20885776]

約数ペア:

[(1, 20885776), (2, 10442888), (4, 5221444), (8, 2610722), (16, 1305361), (67, 311728), (134, 155864), (268, 77932), (536, 38966), (1072, 19483)]