20992566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1259}}^1$

素因数の和:1668

約数の個数: 32

約数和(自身を含む): 48142080

約数和(自身を除く): 27149514

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 397, 794, 1191, 1259, 2382, 2518, 2779, 3777, 5558, 7554, 8337, 8813, 16674, 17626, 26439, 52878, 499823, 999646, 1499469, 2998938, 3498761, 6997522, 10496283, 20992566]

約数ペア:

[(1, 20992566), (2, 10496283), (3, 6997522), (6, 3498761), (7, 2998938), (14, 1499469), (21, 999646), (42, 499823), (397, 52878), (794, 26439), (1191, 17626), (1259, 16674), (2382, 8813), (2518, 8337), (2779, 7554), (3777, 5558)]