20288497988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{691}}^1\times {\mathrm{1789}}^1$

素因数の和:2868

約数の個数: 48

約数和(自身を含む): 38914370880

約数和(自身を除く): 18625872892

約数列:

[1, 2, 4, 11, 22, 44, 373, 691, 746, 1382, 1492, 1789, 2764, 3578, 4103, 7156, 7601, 8206, 15202, 16412, 19679, 30404, 39358, 78716, 257743, 515486, 667297, 1030972, 1236199, 1334594, 2472398, 2669188, 2835173, 4944796, 5670346, 7340267, 11340692, 13598189, 14680534, 27196378, 29361068, 54392756, 461102227, 922204454, 1844408908, 5072124497, 10144248994, 20288497988]

約数ペア:

[(1, 20288497988), (2, 10144248994), (4, 5072124497), (11, 1844408908), (22, 922204454), (44, 461102227), (373, 54392756), (691, 29361068), (746, 27196378), (1382, 14680534), (1492, 13598189), (1789, 11340692), (2764, 7340267), (3578, 5670346), (4103, 4944796), (7156, 2835173), (7601, 2669188), (8206, 2472398), (15202, 1334594), (16412, 1236199), (19679, 1030972), (30404, 667297), (39358, 515486), (78716, 257743)]