20724848

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{3167}}^1$

素因数の和:3584

約数の個数: 20

約数和(自身を含む): 40265280

約数和(自身を除く): 19540432

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3167, 3272, 6334, 6544, 12668, 25336, 50672, 1295303, 2590606, 5181212, 10362424, 20724848]

約数ペア:

[(1, 20724848), (2, 10362424), (4, 5181212), (8, 2590606), (16, 1295303), (409, 50672), (818, 25336), (1636, 12668), (3167, 6544), (3272, 6334)]