20206787584

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{1038589}}^1$

素因数の和:1038628

約数の個数: 44

約数和(自身を含む): 42519874600

約数和(自身を除く): 22313087016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1216, 2432, 4864, 9728, 19456, 1038589, 2077178, 4154356, 8308712, 16617424, 19733191, 33234848, 39466382, 66469696, 78932764, 132939392, 157865528, 265878784, 315731056, 531757568, 631462112, 1063515136, 1262924224, 2525848448, 5051696896, 10103393792, 20206787584]

約数ペア:

[(1, 20206787584), (2, 10103393792), (4, 5051696896), (8, 2525848448), (16, 1262924224), (19, 1063515136), (32, 631462112), (38, 531757568), (64, 315731056), (76, 265878784), (128, 157865528), (152, 132939392), (256, 78932764), (304, 66469696), (512, 39466382), (608, 33234848), (1024, 19733191), (1216, 16617424), (2432, 8308712), (4864, 4154356), (9728, 2077178), (19456, 1038589)]