20615290

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{55717}}^1$

素因数の和:55761

約数の個数: 16

約数和(自身を含む): 38111112

約数和(自身を除く): 17495822

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 55717, 111434, 278585, 557170, 2061529, 4123058, 10307645, 20615290]

約数ペア:

[(1, 20615290), (2, 10307645), (5, 4123058), (10, 2061529), (37, 557170), (74, 278585), (185, 111434), (370, 55717)]