20151808

素因数分解:

$2^9\times {\mathrm{39359}}^1$

素因数の和:39377

約数の個数: 20

約数和(自身を含む): 40265280

約数和(自身を除く): 20113472

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39359, 78718, 157436, 314872, 629744, 1259488, 2518976, 5037952, 10075904, 20151808]

約数ペア:

[(1, 20151808), (2, 10075904), (4, 5037952), (8, 2518976), (16, 1259488), (32, 629744), (64, 314872), (128, 157436), (256, 78718), (512, 39359)]