20125291316

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{1613}}^1\times {\mathrm{18457}}^1$

素因数の和:20100

約数の個数: 36

約数和(自身を含む): 38162542572

約数和(自身を除く): 18037251256

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 1613, 3226, 6452, 18457, 20969, 36914, 41938, 73828, 83876, 239941, 272597, 479882, 545194, 959764, 1090388, 3119233, 6238466, 12476932, 29771141, 59542282, 119084564, 387024833, 774049666, 1548099332, 5031322829, 10062645658, 20125291316]

約数ペア:

[(1, 20125291316), (2, 10062645658), (4, 5031322829), (13, 1548099332), (26, 774049666), (52, 387024833), (169, 119084564), (338, 59542282), (676, 29771141), (1613, 12476932), (3226, 6238466), (6452, 3119233), (18457, 1090388), (20969, 959764), (36914, 545194), (41938, 479882), (73828, 272597), (83876, 239941)]