20686736

素因数分解:

$2^4\times 7^1\times {\mathrm{184703}}^1$

素因数の和:184718

約数の個数: 20

約数和(自身を含む): 45806592

約数和(自身を除く): 25119856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184703, 369406, 738812, 1292921, 1477624, 2585842, 2955248, 5171684, 10343368, 20686736]

約数ペア:

[(1, 20686736), (2, 10343368), (4, 5171684), (7, 2955248), (8, 2585842), (14, 1477624), (16, 1292921), (28, 738812), (56, 369406), (112, 184703)]