20864992

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{13873}}^1$

素因数の和:13930

約数の個数: 24

約数和(自身を含む): 41954976

約数和(自身を除く): 21089984

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 13873, 27746, 55492, 110984, 221968, 443936, 652031, 1304062, 2608124, 5216248, 10432496, 20864992]

約数ペア:

[(1, 20864992), (2, 10432496), (4, 5216248), (8, 2608124), (16, 1304062), (32, 652031), (47, 443936), (94, 221968), (188, 110984), (376, 55492), (752, 27746), (1504, 13873)]