20854616

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25309}}^1$

素因数の和:25418

約数の個数: 16

約数和(自身を含む): 39483600

約数和(自身を除く): 18628984

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25309, 50618, 101236, 202472, 2606827, 5213654, 10427308, 20854616]

約数ペア:

[(1, 20854616), (2, 10427308), (4, 5213654), (8, 2606827), (103, 202472), (206, 101236), (412, 50618), (824, 25309)]