20791624

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19541}}^1$

素因数の和:19573

約数の個数: 32

約数和(自身を含む): 46900800

約数和(自身を除く): 26109176

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19541, 39082, 78164, 136787, 156328, 273574, 371279, 547148, 742558, 1094296, 1485116, 2598953, 2970232, 5197906, 10395812, 20791624]

約数ペア:

[(1, 20791624), (2, 10395812), (4, 5197906), (7, 2970232), (8, 2598953), (14, 1485116), (19, 1094296), (28, 742558), (38, 547148), (56, 371279), (76, 273574), (133, 156328), (152, 136787), (266, 78164), (532, 39082), (1064, 19541)]