20811010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{683}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 41072832

約数和(自身を除く): 20261822

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 277, 554, 683, 1366, 1385, 2770, 3047, 3415, 6094, 6830, 7513, 15026, 15235, 30470, 37565, 75130, 189191, 378382, 945955, 1891910, 2081101, 4162202, 10405505, 20811010]

約数ペア:

[(1, 20811010), (2, 10405505), (5, 4162202), (10, 2081101), (11, 1891910), (22, 945955), (55, 378382), (110, 189191), (277, 75130), (554, 37565), (683, 30470), (1366, 15235), (1385, 15026), (2770, 7513), (3047, 6830), (3415, 6094)]