20676340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27941}}^1$

素因数の和:27987

約数の個数: 24

約数和(自身を含む): 44595432

約数和(自身を除く): 23919092

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27941, 55882, 111764, 139705, 279410, 558820, 1033817, 2067634, 4135268, 5169085, 10338170, 20676340]

約数ペア:

[(1, 20676340), (2, 10338170), (4, 5169085), (5, 4135268), (10, 2067634), (20, 1033817), (37, 558820), (74, 279410), (148, 139705), (185, 111764), (370, 55882), (740, 27941)]