20382236

素因数分解:

$2^2\times 7^2\times {\mathrm{103991}}^1$

素因数の和:104009

約数の個数: 18

約数和(自身を含む): 41492808

約数和(自身を除く): 21110572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 103991, 207982, 415964, 727937, 1455874, 2911748, 5095559, 10191118, 20382236]

約数ペア:

[(1, 20382236), (2, 10191118), (4, 5095559), (7, 2911748), (14, 1455874), (28, 727937), (49, 415964), (98, 207982), (196, 103991)]