20571260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27799}}^1$

素因数の和:27845

約数の個数: 24

約数和(自身を含む): 44368800

約数和(自身を除く): 23797540

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27799, 55598, 111196, 138995, 277990, 555980, 1028563, 2057126, 4114252, 5142815, 10285630, 20571260]

約数ペア:

[(1, 20571260), (2, 10285630), (4, 5142815), (5, 4114252), (10, 2057126), (20, 1028563), (37, 555980), (74, 277990), (148, 138995), (185, 111196), (370, 55598), (740, 27799)]