19963952

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{4409}}^1$

素因数の和:4700

約数の個数: 20

約数和(自身を含む): 38825640

約数和(自身を除く): 18861688

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4409, 4528, 8818, 17636, 35272, 70544, 1247747, 2495494, 4990988, 9981976, 19963952]

約数ペア:

[(1, 19963952), (2, 9981976), (4, 4990988), (8, 2495494), (16, 1247747), (283, 70544), (566, 35272), (1132, 17636), (2264, 8818), (4409, 4528)]