20686792

素因数分解:

$2^3\times 7^1\times {\mathrm{369407}}^1$

素因数の和:369420

約数の個数: 16

約数和(自身を含む): 44328960

約数和(自身を除く): 23642168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 369407, 738814, 1477628, 2585849, 2955256, 5171698, 10343396, 20686792]

約数ペア:

[(1, 20686792), (2, 10343396), (4, 5171698), (7, 2955256), (8, 2585849), (14, 1477628), (28, 738814), (56, 369407)]