20194178408

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{4951}}^1$

素因数の和:5238

約数の個数: 64

約数和(自身を含む): 39533598720

約数和(自身を除く): 19339420312

約数列:

[1, 2, 4, 8, 43, 71, 86, 142, 167, 172, 284, 334, 344, 568, 668, 1336, 3053, 4951, 6106, 7181, 9902, 11857, 12212, 14362, 19804, 23714, 24424, 28724, 39608, 47428, 57448, 94856, 212893, 351521, 425786, 509851, 703042, 826817, 851572, 1019702, 1406084, 1653634, 1703144, 2039404, 2812168, 3307268, 4078808, 6614536, 15115403, 30230806, 35553131, 58704007, 60461612, 71106262, 117408014, 120923224, 142212524, 234816028, 284425048, 469632056, 2524272301, 5048544602, 10097089204, 20194178408]

約数ペア:

[(1, 20194178408), (2, 10097089204), (4, 5048544602), (8, 2524272301), (43, 469632056), (71, 284425048), (86, 234816028), (142, 142212524), (167, 120923224), (172, 117408014), (284, 71106262), (334, 60461612), (344, 58704007), (568, 35553131), (668, 30230806), (1336, 15115403), (3053, 6614536), (4951, 4078808), (6106, 3307268), (7181, 2812168), (9902, 2039404), (11857, 1703144), (12212, 1653634), (14362, 1406084), (19804, 1019702), (23714, 851572), (24424, 826817), (28724, 703042), (39608, 509851), (47428, 425786), (57448, 351521), (94856, 212893)]