20123824

素因数分解:

$2^4\times 7^1\times {\mathrm{353}}^1\times {\mathrm{509}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 44773920

約数和(自身を除く): 24650096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 353, 509, 706, 1018, 1412, 2036, 2471, 2824, 3563, 4072, 4942, 5648, 7126, 8144, 9884, 14252, 19768, 28504, 39536, 57008, 179677, 359354, 718708, 1257739, 1437416, 2515478, 2874832, 5030956, 10061912, 20123824]

約数ペア:

[(1, 20123824), (2, 10061912), (4, 5030956), (7, 2874832), (8, 2515478), (14, 1437416), (16, 1257739), (28, 718708), (56, 359354), (112, 179677), (353, 57008), (509, 39536), (706, 28504), (1018, 19768), (1412, 14252), (2036, 9884), (2471, 8144), (2824, 7126), (3563, 5648), (4072, 4942)]