20587018712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2954509}}^1$

素因数の和:2954595

約数の個数: 32

約数和(自身を含む): 42190402800

約数和(自身を除く): 21603384088

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 2954509, 5909018, 11818036, 23636072, 38408617, 76817234, 153634468, 197952103, 307268936, 395904206, 791808412, 1583616824, 2573377339, 5146754678, 10293509356, 20587018712]

約数ペア:

[(1, 20587018712), (2, 10293509356), (4, 5146754678), (8, 2573377339), (13, 1583616824), (26, 791808412), (52, 395904206), (67, 307268936), (104, 197952103), (134, 153634468), (268, 76817234), (536, 38408617), (871, 23636072), (1742, 11818036), (3484, 5909018), (6968, 2954509)]