20195178136

素因数分解:

$2^3\times 7^1\times {\mathrm{811}}^1\times {\mathrm{444671}}^1$

素因数の和:445495

約数の個数: 32

約数和(自身を含む): 43328839680

約数和(自身を除く): 23133661544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 811, 1622, 3244, 5677, 6488, 11354, 22708, 45416, 444671, 889342, 1778684, 3112697, 3557368, 6225394, 12450788, 24901576, 360628181, 721256362, 1442512724, 2524397267, 2885025448, 5048794534, 10097589068, 20195178136]

約数ペア:

[(1, 20195178136), (2, 10097589068), (4, 5048794534), (7, 2885025448), (8, 2524397267), (14, 1442512724), (28, 721256362), (56, 360628181), (811, 24901576), (1622, 12450788), (3244, 6225394), (5677, 3557368), (6488, 3112697), (11354, 1778684), (22708, 889342), (45416, 444671)]