20430290

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{55217}}^1$

素因数の和:55261

約数の個数: 16

約数和(自身を含む): 37769112

約数和(自身を除く): 17338822

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 55217, 110434, 276085, 552170, 2043029, 4086058, 10215145, 20430290]

約数ペア:

[(1, 20430290), (2, 10215145), (5, 4086058), (10, 2043029), (37, 552170), (74, 276085), (185, 110434), (370, 55217)]