20155568

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4483}}^1$

素因数の和:4772

約数の個数: 20

約数和(自身を含む): 39199128

約数和(自身を除く): 19043560

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4483, 4496, 8966, 17932, 35864, 71728, 1259723, 2519446, 5038892, 10077784, 20155568]

約数ペア:

[(1, 20155568), (2, 10077784), (4, 5038892), (8, 2519446), (16, 1259723), (281, 71728), (562, 35864), (1124, 17932), (2248, 8966), (4483, 4496)]