20521974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1301}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 24475146

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 239, 478, 717, 1301, 1434, 2602, 2629, 3903, 5258, 7806, 7887, 14311, 15774, 28622, 42933, 85866, 310939, 621878, 932817, 1865634, 3420329, 6840658, 10260987, 20521974]

約数ペア:

[(1, 20521974), (2, 10260987), (3, 6840658), (6, 3420329), (11, 1865634), (22, 932817), (33, 621878), (66, 310939), (239, 85866), (478, 42933), (717, 28622), (1301, 15774), (1434, 14311), (2602, 7887), (2629, 7806), (3903, 5258)]