20805256

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49069}}^1$

素因数の和:49128

約数の個数: 16

約数和(自身を含む): 39746700

約数和(自身を除く): 18941444

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49069, 98138, 196276, 392552, 2600657, 5201314, 10402628, 20805256]

約数ペア:

[(1, 20805256), (2, 10402628), (4, 5201314), (8, 2600657), (53, 392552), (106, 196276), (212, 98138), (424, 49069)]