20194672940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77671819}}^1$

素因数の和:77671841

約数の個数: 24

約数和(自身を含む): 45671030160

約数和(自身を除く): 25476357220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77671819, 155343638, 310687276, 388359095, 776718190, 1009733647, 1553436380, 2019467294, 4038934588, 5048668235, 10097336470, 20194672940]

約数ペア:

[(1, 20194672940), (2, 10097336470), (4, 5048668235), (5, 4038934588), (10, 2019467294), (13, 1553436380), (20, 1009733647), (26, 776718190), (52, 388359095), (65, 310687276), (130, 155343638), (260, 77671819)]