20395893

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4603}}^1$

素因数の和:4824

約数の個数: 16

約数和(自身を含む): 31233536

約数和(自身を除く): 10837643

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 4603, 13809, 32221, 96663, 971233, 2913699, 6798631, 20395893]

約数ペア:

[(1, 20395893), (3, 6798631), (7, 2913699), (21, 971233), (211, 96663), (633, 32221), (1477, 13809), (4431, 4603)]