20681278

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{14503}}^1$

素因数の和:14559

約数の個数: 16

約数和(自身を含む): 33417216

約数和(自身を除く): 12735938

約数列:

[1, 2, 23, 31, 46, 62, 713, 1426, 14503, 29006, 333569, 449593, 667138, 899186, 10340639, 20681278]

約数ペア:

[(1, 20681278), (2, 10340639), (23, 899186), (31, 667138), (46, 449593), (62, 333569), (713, 29006), (1426, 14503)]