20185281610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1\times {\mathrm{3943}}^1$

素因数の和:4759

約数の個数: 64

約数和(自身を含む): 39930444288

約数和(自身を除く): 19745162678

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 743, 1378, 1486, 3445, 3715, 3943, 6890, 7430, 7886, 9659, 19318, 19715, 39379, 39430, 48295, 51259, 78758, 96590, 102518, 196895, 208979, 256295, 393790, 417958, 511927, 512590, 1023854, 1044895, 2089790, 2559635, 2716727, 2929649, 5119270, 5433454, 5859298, 13583635, 14648245, 27167270, 29296490, 38085437, 76170874, 155271397, 190427185, 310542794, 380854370, 776356985, 1552713970, 2018528161, 4037056322, 10092640805, 20185281610]

約数ペア:

[(1, 20185281610), (2, 10092640805), (5, 4037056322), (10, 2018528161), (13, 1552713970), (26, 776356985), (53, 380854370), (65, 310542794), (106, 190427185), (130, 155271397), (265, 76170874), (530, 38085437), (689, 29296490), (743, 27167270), (1378, 14648245), (1486, 13583635), (3445, 5859298), (3715, 5433454), (3943, 5119270), (6890, 2929649), (7430, 2716727), (7886, 2559635), (9659, 2089790), (19318, 1044895), (19715, 1023854), (39379, 512590), (39430, 511927), (48295, 417958), (51259, 393790), (78758, 256295), (96590, 208979), (102518, 196895)]