20184714820

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3245131}}^1$

素因数の和:3245451

約数の個数: 24

約数和(自身を含む): 42524209728

約数和(自身を除く): 22339494908

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 3245131, 6490262, 12980524, 16225655, 32451310, 64902620, 1009235741, 2018471482, 4036942964, 5046178705, 10092357410, 20184714820]

約数ペア:

[(1, 20184714820), (2, 10092357410), (4, 5046178705), (5, 4036942964), (10, 2018471482), (20, 1009235741), (311, 64902620), (622, 32451310), (1244, 16225655), (1555, 12980524), (3110, 6490262), (6220, 3245131)]