20971036790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4433623}}^1$

素因数の和:4433684

約数の個数: 32

約数和(自身を含む): 42137162496

約数和(自身を除く): 21166125706

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 4433623, 8867246, 22168115, 44336230, 48769853, 97539706, 190645789, 243849265, 381291578, 487698530, 953228945, 1906457890, 2097103679, 4194207358, 10485518395, 20971036790]

約数ペア:

[(1, 20971036790), (2, 10485518395), (5, 4194207358), (10, 2097103679), (11, 1906457890), (22, 953228945), (43, 487698530), (55, 381291578), (86, 243849265), (110, 190645789), (215, 97539706), (430, 48769853), (473, 44336230), (946, 22168115), (2365, 8867246), (4730, 4433623)]