20689984

素因数分解:

$2^6\times 7^1\times {\mathrm{46183}}^1$

素因数の和:46202

約数の個数: 28

約数和(自身を含む): 46922944

約数和(自身を除く): 26232960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 46183, 92366, 184732, 323281, 369464, 646562, 738928, 1293124, 1477856, 2586248, 2955712, 5172496, 10344992, 20689984]

約数ペア:

[(1, 20689984), (2, 10344992), (4, 5172496), (7, 2955712), (8, 2586248), (14, 1477856), (16, 1293124), (28, 738928), (32, 646562), (56, 369464), (64, 323281), (112, 184732), (224, 92366), (448, 46183)]