20218389412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1129}}^1\times {\mathrm{1429}}^1$

素因数の和:2816

約数の個数: 48

約数和(自身を含む): 38322684400

約数和(自身を除く): 18104294988

約数列:

[1, 2, 4, 13, 26, 52, 241, 482, 964, 1129, 1429, 2258, 2858, 3133, 4516, 5716, 6266, 12532, 14677, 18577, 29354, 37154, 58708, 74308, 272089, 344389, 544178, 688778, 1088356, 1377556, 1613341, 3226682, 3537157, 4477057, 6453364, 7074314, 8954114, 14148628, 17908228, 20973433, 41946866, 83893732, 388815181, 777630362, 1555260724, 5054597353, 10109194706, 20218389412]

約数ペア:

[(1, 20218389412), (2, 10109194706), (4, 5054597353), (13, 1555260724), (26, 777630362), (52, 388815181), (241, 83893732), (482, 41946866), (964, 20973433), (1129, 17908228), (1429, 14148628), (2258, 8954114), (2858, 7074314), (3133, 6453364), (4516, 4477057), (5716, 3537157), (6266, 3226682), (12532, 1613341), (14677, 1377556), (18577, 1088356), (29354, 688778), (37154, 544178), (58708, 344389), (74308, 272089)]