2020199180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{619693}}^1$

素因数の和:619865

約数の個数: 24

約数和(自身を含む): 4268452272

約数和(自身を除く): 2248253092

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 619693, 1239386, 2478772, 3098465, 6196930, 12393860, 101009959, 202019918, 404039836, 505049795, 1010099590, 2020199180]

約数ペア:

[(1, 2020199180), (2, 1010099590), (4, 505049795), (5, 404039836), (10, 202019918), (20, 101009959), (163, 12393860), (326, 6196930), (652, 3098465), (815, 2478772), (1630, 1239386), (3260, 619693)]