20380340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27541}}^1$

素因数の和:27587

約数の個数: 24

約数和(自身を含む): 43957032

約数和(自身を除く): 23576692

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27541, 55082, 110164, 137705, 275410, 550820, 1019017, 2038034, 4076068, 5095085, 10190170, 20380340]

約数ペア:

[(1, 20380340), (2, 10190170), (4, 5095085), (5, 4076068), (10, 2038034), (20, 1019017), (37, 550820), (74, 275410), (148, 137705), (185, 110164), (370, 55082), (740, 27541)]