20421864

素因数分解:

$2^3\times 3^2\times {\mathrm{283637}}^1$

素因数の和:283649

約数の個数: 24

約数和(自身を含む): 55309410

約数和(自身を除く): 34887546

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 283637, 567274, 850911, 1134548, 1701822, 2269096, 2552733, 3403644, 5105466, 6807288, 10210932, 20421864]

約数ペア:

[(1, 20421864), (2, 10210932), (3, 6807288), (4, 5105466), (6, 3403644), (8, 2552733), (9, 2269096), (12, 1701822), (18, 1134548), (24, 850911), (36, 567274), (72, 283637)]