20402416

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6607}}^1$

素因数の和:6808

約数の個数: 20

約数和(自身を含む): 39740512

約数和(自身を除く): 19338096

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6607, 13214, 26428, 52856, 105712, 1275151, 2550302, 5100604, 10201208, 20402416]

約数ペア:

[(1, 20402416), (2, 10201208), (4, 5100604), (8, 2550302), (16, 1275151), (193, 105712), (386, 52856), (772, 26428), (1544, 13214), (3088, 6607)]