20189949832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1123}}^1\times {\mathrm{172871}}^1$

素因数の和:174013

約数の個数: 32

約数和(自身を含む): 40804706880

約数和(自身を除く): 20614757048

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1123, 2246, 4492, 8984, 14599, 29198, 58396, 116792, 172871, 345742, 691484, 1382968, 2247323, 4494646, 8989292, 17978584, 194134133, 388268266, 776536532, 1553073064, 2523743729, 5047487458, 10094974916, 20189949832]

約数ペア:

[(1, 20189949832), (2, 10094974916), (4, 5047487458), (8, 2523743729), (13, 1553073064), (26, 776536532), (52, 388268266), (104, 194134133), (1123, 17978584), (2246, 8989292), (4492, 4494646), (8984, 2247323), (14599, 1382968), (29198, 691484), (58396, 345742), (116792, 172871)]